Definition of tranquilize in US English:


(British tranquillize, tranquillise)


[with object]usually as adjective tranquilizing
  • 1(of a drug) have a calming or sedative effect on.

    ‘the majority regarded tranquilizing drugs as the chief therapeutic weapon’
    • ‘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.’
    • ‘Sapphire releases violet cosmic rays, which are cooling and tranquilizing.’
    • ‘He hoped that its tranquillising effect could be used to give the patient some rest.’
    • ‘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.’
    • ‘Generation after generation of families of families, systematically marginalised by their supposed betters and tranquillised by welfare and drugs, are doomed to the underclass.’
    • ‘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.’
    • ‘The discovery of Librium and other minor tranquilizing drugs provided an intriguing new approach to understanding the anxiety neuroses.’
    • ‘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.’
    • ‘I have also tried a number of our strongest tranquilizing drugs, but nothing seems to curb his anger.’
    • ‘It is a tricyclic antidepressant with one of the most powerful anti-itch and antihistaminic effects, as well as sedative / tranquilizing effects.’
    • ‘They were taking more tranquilising drugs, they were in bigger proportion depressed.’
    • ‘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.’
    • ‘They have a tranquillising effect, without necessarily causing sleepiness.’
    • ‘Drinking alcohol does not produce true ‘relaxation’ - it ‘drugs’ or ‘tranquilizes’ the drinker, and alcohol cannot only disrupt sleep, it can cause stress.’
    tranquillizing, calming, depressant, soothing, calmative, relaxing, soporific
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    1. 1.1 Administer a tranquilizing drug to (a person or animal)
      ‘the stray elk was tranquilized and relocated’
      • ‘‘Now, son, don't forget that we do have to tranquilize you, too,’ Andy tells me.’
      • ‘So why, he says, tranquillise the poor tiger and then open fire less than two seconds later?’
      • ‘The cats are tranquilized and given a physical, then tagged and released.’
      • ‘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.’
      • ‘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.’
      • ‘They were going to tranquilize her until the ceremony was performed.’
      • ‘Even more cunning, some of the gorillas pretend to be tranquilized.’
      • ‘In extreme cases, persistent elephants are tranquilized and transported to Uda Walawe National Park in southeastern Sri Lanka.’
      • ‘In such cases, they hold you down and tranquilize you, like an animal, like the unreachable wounded animal they consider you to be.’
      • ‘Vets were planning to tranquilize him, bring him to the park's wildlife rehabilitation center, and nurse him back to health.’
      • ‘He failed to snap out of a drugged sleep after he had been tranquillized to help move him.’
      • ‘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.’
      • ‘They are going to tranquilize the deer if they find him with tranquilizer guns, but they have to shoot the alligators.’
      • ‘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.’
      • ‘I was highly tranquilised at the time and I really didn't know what was going on.’
      • ‘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.’
      • ‘Animal control officers managed to tranquilize the frightened creature and removed it.’
      • ‘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.’
      sedate, calm, calm down, soothe, quiet, quieten, quieten down, pacify, settle someone's nerves, settle something's nerves, mollify, lull, relax
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    2. 1.2literary Make tranquil.
      ‘joys that tranquilize the mind’
      • ‘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.’
      • ‘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.’
      • ‘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.’