Definition of inject in US English:

inject

verb

[with object]
  • 1Drive or force (a liquid, especially a drug or vaccine) into a person or animal's body with a syringe or similar device.

    ‘the doctor injected a painkilling drug’
    • ‘He became known for using a syringe to inject liquids and wax into blood vessels.’
    • ‘Using a needle, your doctor injects the drug directly into a muscle, under your skin or into a cancerous area on your skin.’
    • ‘Intravenous antibiotics are injected directly into the blood, and may also be recommended in rare cases of severe infection.’
    • ‘In some cases, it may be necessary for 100 to 250 mcg to be injected slowly into a vein by your doctor instead of injecting the dose into a muscle or under the skin.’
    • ‘In both induction and consolidation, chemotherapy drugs are usually injected directly into a vein.’
    • ‘Methadone is particularly interesting because it's been in decline for many years since the Health Department restricted the sale of larger size syringes used to inject the drug.’
    • ‘An estimated 1.6 million people inject illicit drugs such as heroin, cocaine, and amphetamines in the United States.’
    • ‘In each case, the drug user had been injecting heroin into subcutaneous tissue.’
    • ‘In the 20th century, physicians administered electroshock therapy or injected high doses of insulin to induce seizures.’
    • ‘A needle is then introduced between these bones and the special liquid is injected.’
    • ‘When the physician begins injecting the medication, the patient becomes hysterical with pain.’
    • ‘For instance, most vaccines are injected into a muscle, so for a day or two after the injection, that muscle is sore.’
    • ‘With immunization, a vaccine is injected into the body.’
    • ‘Today one can just use a needle and syringe to inject a drug into the bloodstream, but other means were needed in the days before hypodermics.’
    • ‘At the end of the operation, different drugs are injected by the anaesthetist to reverse the paralysis and the patient then starts to breathe spontaneously.’
    • ‘The anaesthetist can then use the cannula to inject anaesthetic or painkilling drugs directly into the epidural space.’
    • ‘During a skin test, a small amount of the drug is injected under your skin.’
    • ‘With time and practice, however, drawing insulin into a syringe and injecting it into your body can become routine and feel less daunting.’
    • ‘The procedure is carried out by injecting the flu vaccine between the layers of the skin using a tiny needle, similar to the method used for a tuberculosis skin test.’
    • ‘Once the vaccine is injected into a person, the immune system reacts by producing antibodies programmed to attack the dead virus.’
    administer, introduce
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    1. 1.1 Administer a drug or medicine by syringe to (a person or animal)
      ‘he injected himself with a drug overdose’
      • ‘He was forcibly injected with a high-dose tranquiliser, which he said prevented him from being able to eat properly or control his head or mouth for weeks.’
      • ‘I was injected with a few needles' worth of anaesthesia and given nine stitches to my head.’
      • ‘They wouldn't listen and I was injected with something against my will.’
      • ‘During the first two weeks of therapy, he injected himself with five subcutaneous doses of 6 mg each.’
      • ‘Stephanie explained that if she wasn't injected with the correct serum, she could be destructive and could possibly even die.’
      • ‘She was injected with it, and appears to be responding very well.’
      • ‘Yet, minutes later, she was injected with the very same drug!’
      • ‘She just let the nurse inject her with the medicine so she slipped into a dreamless sleep.’
      • ‘After an hour or so, he is injected with a drug that makes him violently sick for an hour or two.’
      • ‘She still doesn't know what she was injected with.’
      • ‘She also testified that she feels that she is being abused when she is injected with medication by force.’
      • ‘Animals can be injected with antigens so they will produce the desired antibodies, but it is difficult to extract them from among the many types produced.’
      • ‘I was immediately injected with an IV blood thinner and placed on a continuous IV infusion to prevent more clots from forming.’
      • ‘At the very last minute, just before I'm injected with anesthesia, I back out of the surgery and leave the clinic.’
      • ‘Do you, by any chance, know what in the world we were injected with?’
      • ‘However, in a nuclear stress test, you're injected with a small amount of a radioactive substance.’
      • ‘They held her down while the nurse injected her with the medicine.’
      • ‘Here's how it works: You're injected with small amounts of an allergen over three to five years, until you become immune to it.’
      • ‘He was injected with Factor Eight a substance made from blood contributions using several donors, sometime before 1991, although it is not known exactly when.’
      • ‘You were injected with a drug: a poison really, that reacted badly to the one used on you in Echo Base, and it was counteracting the medicine you needed.’
      administer, introduce
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    2. 1.2no object Inject oneself with a narcotic drug, especially habitually.
      ‘people who want to stop injecting’
      • ‘She's a former heroin addict who, six months after she stopped injecting, is getting her life back together.’
      • ‘The tent had a rubber floor and accommodated three drug users injecting at any given time.’
      • ‘Would drug takers use a place to inject if one were provided?’
      • ‘A study by the Irish Penal Reform Trust last year found that 20 per cent of drug addicts had injected for the first time when they were in prison.’
      • ‘The purpose of the lights is to prevent drug users from injecting into their veins.’
      • ‘We have to be realistic - people don't just stop injecting after years on heroin because I tell them to.’
      • ‘She added that none of the three was able to raise the alarm suggests that they died quickly after injecting and that the drugs could kill within moments.’
      • ‘Before that time he was using a wide range of drugs, smoking and injecting, as well as alcohol.’
      • ‘The band were swathed in blue lights; probably a coincidence that it made it look like a toilet designed to foil junkies from injecting.’
      • ‘The purple ultra violet lighting stops drug abusers injecting because they are unable to see their veins.’
      • ‘In Inverclyde, nearly 80% of drug users inject, compared to just under 60% for Scotland as a whole.’
      • ‘Most were hard-core drug users who had been injecting for 12 years on average.’
      administer, introduce
      View synonyms
  • 2Introduce (something) into a passage, cavity, or solid material under pressure.

    ‘inject the foam and allow it to expand’
    • ‘Contractors have been injecting the arches with grout in order to strengthen the road and it is thought that a faulty vent caused a build up of pressure leading to the road being ‘pushed up’.’
    • ‘Fiber is injected into the muffler cavity with a clean automated process that insures high accuracy and also low waste.’
    • ‘The proportioner requires no electricity and operates using water pressure to inject the proper amount of chemical.’
    • ‘All you do is remove the cartridge and use a syringe to inject ink into the cartridge… then you put the same cartridges back into your printer.’
    • ‘The carbon dioxide is extracted at the source and is injected into porous rocks deep underground to prevent it escaping into the atmosphere.’
    • ‘The seawater stream into which the combustion gas is injected is under pressure via the head of water exerted by the seawater reservoir.’
    • ‘The feedstock is injected into a mold cavity using molding machines that are very similar to traditional plastic-injection molders.’
    • ‘As it suggests on the box, the earpiece works when two millilitres of methanol are injected into its power-up cavity.’
    • ‘The graphite line includes an area at the edge of the panel through which air is injected at high pressure.’
    • ‘It injects a rubber mushroom-shaped plug into the holed section, which then expands.’
    • ‘If the exterior walls are not insulated, there are companies that inject insulation into the wall cavities of older homes.’
    • ‘A polyurethane resin is injected into the cavity.’
    • ‘The engine is equipped with the latest third generation common rail system from Delphi, which injects fuel at 1,600 bar pressure.’
    • ‘With the Piezo injectors, working at a pressure of up to 200 bar, the fuel is injected in the direct vicinity of the spark plug and is far more accurately controlled.’
    insert, introduce, place, push, force, drive, shoot, feed
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    1. 2.1Physics Introduce or feed (a current, beam of particles, etc.) into a substance or device.
      • ‘From there, these negative ions will be energized to about one billion electron volts in a one-millisecond long pulsed beam and injected into an accumulator ring.’
      • ‘The NIST researchers injected current from a 40-nanometer-wide contact on top of a large magnetic layer.’
      • ‘One way to determine the mechanism is to attempt to reset the islet by injecting a brief current pulse.’
      • ‘In these cases it is possible to probe the interior of a vessel by injecting currents and then measuring the voltages at its walls with electrodes.’
  • 3Introduce (a new or different element) into something, especially as a boost or interruption.

    ‘she tried to inject scorn into her tone’
    • ‘So what do the fans get from all this money that is injected into the game?’
    • ‘Blakeman's party has committed to injecting $8 million more into the arts, with incremental increases each year from here on in.’
    • ‘Under the regulations, proceeds from share sales in the previous three years can't be injected into units to be listed.’
    • ‘Something different has been injected into this fight.’
    • ‘The prospect of the CPA injecting $18 billion into the still weak Iraqi economy all of a sudden could spark an inflationary spiral.’
    • ‘Companies injecting between 10 million and 40 million leva into a project will be considered third-class investors.’
    • ‘In the 16th century an element of drama was injected into these court entertainments.’
    • ‘It has yet to be established where this new entity will be based or how much capital has been injected into the enterprise.’
    • ‘The labourers from the labour hire company, in our submission, are injected into the second company.’
    • ‘Albeit in a small way, probably for the first time since the creation of the Federal Reserve System, it has been injected into a presidential campaign.’
    • ‘Over the next 4 years, $2 billion will be injected into education.’
    • ‘I sometimes wonder if some of the bitterness that is injected into politics is just a form of demagoguery, an effort to hold onto this group of voters.’
    • ‘Tourism is Scotland's biggest industry, injecting at least #2.5 billion a year into the economy and employing hundreds of thousands of people.’
    • ‘The group believes that more public health skills should be injected into the process.’
    • ‘The back and forth banter is a lot of fun and a lot of physical humour has been injected into the game.’
    • ‘A divisive element had been injected into the movement during its last phase when the British rulers had found that it was not possible for them to hold any longer.’
    • ‘The council took over the course in Somnes Avenue in June 2001, injecting £167,000 of public money in a bid to turn its finances around.’
    • ‘US military presence and even greater military aid have boosted Turkey's economy, but Bulgaria is unlikely to gain even a fraction of the small portion the US injects into its neighbour.’
    • ‘However, given current global market conditions, we would like to reiterate that the Authority stands ready to inject additional market liquidity if the situation so warrants.’
    • ‘Still, patterns change, and a gun has been injected into the mix this time.’
    introduce, instil, bring in, infuse, imbue, inculcate, breathe
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    1. 3.1inject something with Imbue something with (a new element)
      ‘he injected his voice with a confidence he didn't feel’
      • ‘By tracking glowing, flickering patterns of radio waves that respond to the magnetic push and pull of the camera, MRI imaging injects the ordinary with an otherworldly appearance.’
      • ‘He summons every bit of his charisma to inject his character with life, and make his CIA agent a cinematic treat and based on reality in equal parts.’
      • ‘Arriaga has a talent for injecting his stories with the little ironies of life.’
      • ‘Teamwork is the secret of their success, as three of the group's four members take turns on lead vocals from track to track, injecting The Curse with much-appreciated colour and diversity.’
      • ‘Germany injected their play with a level of verve they seemed to previously consider unnecessary.’
      • ‘Liam Neeson is a stylish and real villain, choosing to inject his character with humanity instead of campy theatrics.’
      • ‘Some have even experimented with finishing whiskies in old Madeira casks, which injects the spirit with spicy fruit notes while retaining a characteristically dry finish.’
      • ‘Frances McDormand, as the hyper-maternal figure, sporadically injects the film with hilarious scenes of her worrisome phone calls to Fugit.’
      • ‘Hurt injects the role with a good deal of cynicism, making his insect expert a man with a conflicted past, someone who doesn't instinctually take to children.’
      • ‘Lewes made a double substitution and this injected the home side with more purpose.’
      • ‘Enter director Renny Harlin, who injects this well-meaning material with a crass, brittle cynicism.’
      • ‘Real instruments vs archaic/contemporary electronic equipment injected this club with sonic energy.’
      • ‘He found that it needed work, though, and as the Young Company refined the script, he injected it with more personal experience.’
      • ‘The whole cast is excellent, injecting each character with delicious individuality, especially Nicole Anderson's worldly American nurse with her scraps of Ricki Lake psychology.’
      • ‘She has injected the league with a sexual intensity that has really taken everyone by storm.’
      • ‘Moore's scripts call for O'Neill to create a legion of unique characters - many of which we only see once or twice - and every time, O'Neill injects the characters with such life that you might wonder if he hasn't been drawing them for years.’
      • ‘Like Fugazi and Girls Against Boys before them, The Constantines are brash and reckless in their delivery, but also liberally inject their recordings with some honest soul.’
      • ‘With Bo, you have somebody who, I think, injected the show with a very raw rock element that it did not always have in the past.’
      • ‘The sheer mirth of this Japanese puppet master injected the audience with ecstasy.’
      • ‘Whatever the fundamental differences, the pair tried to inject their relationship with enough of a sense of tradition to bond them.’
      introduce, instil, bring in, infuse, imbue, inculcate, breathe
      View synonyms
  • 4Place (a spacecraft or other object) into an orbit or trajectory.

    ‘many meteoroids are injected into hyperbolic orbits’
    • ‘The satellite is to be injected into a Geosynchronous Transfer Orbit about 17 minutes after the lift-off.’

Origin

Late 16th century (in the sense ‘throw or cast on something’): from Latin inject- ‘thrown in’, from the verb inicere, from in- ‘into’ + jacere ‘throw’.

Pronunciation

inject

/inˈjekt//ɪnˈdʒɛkt/