Definition of tranquillize in English:


(US tranquillise, tranquilize)


  • 1 (of a drug) have a calming or sedative effect on.

    ‘the majority regarded tranquillizing drugs as the chief therapeutic weapon’
    • ‘The 1950s saw the introduction of tranquilizing type drugs, and this did a lot to help deal with the anxiety many of the combat veterans were suffering from.’
    • ‘Generation after generation of families of families, systematically marginalised by their supposed betters and tranquillised by welfare and drugs, are doomed to the underclass.’
    • ‘He hoped that its tranquillising effect could be used to give the patient some rest.’
    • ‘Sapphire releases violet cosmic rays, which are cooling and tranquilizing.’
    • ‘As he fought to rip the net apart, Francis noticed, with horror, that their struggles were only pulling the net tighter, causing it to inject increasing amounts of tranquilizing drugs into their bodies.’
    • ‘Drinking alcohol does not produce true ‘relaxation’ - it ‘drugs’ or ‘tranquilizes’ the drinker, and alcohol cannot only disrupt sleep, it can cause stress.’
    • ‘They have a tranquillising effect, without necessarily causing sleepiness.’
    • ‘They were taking more tranquilising drugs, they were in bigger proportion depressed.’
    • ‘The superintendent wanted her certified as mentally ill and when the psychiatrist refused, she called for the use of tranquillizing drugs, including by intramuscular injection.’
    • ‘It is a tricyclic antidepressant with one of the most powerful anti-itch and antihistaminic effects, as well as sedative / tranquilizing effects.’
    • ‘If she was, he was glad he'd taken the tranquilizing drugs to dampen out his responses, and to give him a more ‘pleasant’ personality.’
    • ‘The discovery of Librium and other minor tranquilizing drugs provided an intriguing new approach to understanding the anxiety neuroses.’
    • ‘It may well be that interpreting the first in terms of the latter motivates a doctor to bury his patient's existential despair under a heap of tranquilizing drugs.’
    • ‘The guards are the life-support machines and the tranquilizing drugs.’
    • ‘I have also tried a number of our strongest tranquilizing drugs, but nothing seems to curb his anger.’
    tranquillizing, calming, depressant, soothing, calmative, relaxing, soporific
    View synonyms
    1. 1.1Administer a tranquillizer to (a person or animal)
      ‘the dogs had to be tranquillized before their owner's body could be brought out’
      • ‘Lets face it the language we use to talk about the economy is plain boring, housing starts, GDP; you could tranquilize an elephant with that stuff.’
      • ‘Eventually the bears were tranquilized Monday and moved to another den within their habitat, in hopes the pair would nod off to sleep again for another month.’
      • ‘Vets were planning to tranquilize him, bring him to the park's wildlife rehabilitation center, and nurse him back to health.’
      • ‘So why, he says, tranquillise the poor tiger and then open fire less than two seconds later?’
      • ‘One of the soldiers went to go examine their leader and realized that he was just tranquilized.’
      • ‘He polished off the entire bottle before she was able to get him to hold still long enough for her to tranquilize him.’
      • ‘In such cases, they hold you down and tranquilize you, like an animal, like the unreachable wounded animal they consider you to be.’
      • ‘In extreme cases, persistent elephants are tranquilized and transported to Uda Walawe National Park in southeastern Sri Lanka.’
      • ‘‘Now, son, don't forget that we do have to tranquilize you, too,’ Andy tells me.’
      • ‘Animal control officers managed to tranquilize the frightened creature and removed it.’
      • ‘They are going to tranquilize the deer if they find him with tranquilizer guns, but they have to shoot the alligators.’
      • ‘Moss recently had to catch and tranquilize a female hippo who had unwittingly escaped from her steely enclosure late one night and had the run of the zoo.’
      • ‘We had tried everything and the day we tranquilized her and still couldn't catch her I cried.’
      • ‘She also considered if she'd been tranquilised, but then it struck her.’
      • ‘I was highly tranquilised at the time and I really didn't know what was going on.’
      • ‘During the course of my study, I had occasion to tranquilize individuals of both my study species so that I could place radio collars around their necks for tracking purposes.’
      • ‘Even more cunning, some of the gorillas pretend to be tranquilized.’
      • ‘They were going to tranquilize her until the ceremony was performed.’
      • ‘The cats are tranquilized and given a physical, then tagged and released.’
      • ‘He failed to snap out of a drugged sleep after he had been tranquillized to help move him.’
      sedate, soothe, quiet, pacify, settle someone's nerves, settle something's nerves, mollify, lull, relax
      stupefy, anaesthetize, narcotize, knock out, drug
      administer a sedative to, administer a tranquillizer to
      dope, zonk
      View synonyms
    2. 1.2literary Make tranquil.
      ‘joys that tranquillize the mind’
      • ‘To be plopped in the river's midst, in a canoe, on a spectacular day, is tranquilizing.’
      • ‘Her voice chokes and cracks breathlessly just above the mix; cymbal washes slowly tranquilize the listener.’
      • ‘The feeling of being alone had somehow tranquilized me; it made me feel at ease.’
      • ‘The second function of music therapy is relaxation because the music can tranquilize the mind by nourishing the heart.’
      • ‘This track, with its lilting verses and gently lifting (sounds like a brassiere, but it isn't) accordion phrase, stays in my head, tranquilizing me.’