Definition of constrict in English:

constrict

verb

[WITH OBJECT]
  • 1Make narrower, especially by encircling pressure.

    ‘chemicals that constrict the blood vessels’
    ‘constricted air passages’
    • ‘Chemicals inhaled from cigarettes constrict tiny blood vessels in the skin, thus reducing the oxygen and nutrient supply to delicate facial tissue.’
    • ‘This will help constrict the blood vessel and stop the bleeding.’
    • ‘It increases the heart rate and blood pressure, constricts the small blood vessels under your skin, causes changes in blood composition and metabolism, and increases the production of hormones.’
    • ‘This enlargement constricts the urethra so the flow of urine is reduced, making it increasingly difficult to empty the bladder.’
    • ‘The last image he remembered from that time long ago was two strong hands clutching his throat, squeezing the life out of him, constricting his air flow.’
    • ‘Doctors treat shock by stabilizing blood pressure with medications that increase the heart rate, constrict large blood vessels, or increase the volume of blood the heart pumps.’
    • ‘In both cases, nicotine is absorbed and may constrict blood vessels and raise blood pressure.’
    • ‘It speeds the heart rate, constricts blood vessels, and can raise blood pressure to dangerous levels.’
    • ‘Other pollutants, such as nitrogen dioxide and sulfur dioxide, irritate the eyes, constrict air passages and lower the body's resistance to colds and other respiratory illnesses.’
    • ‘Clinicians should remember to ‘fill up the tank’ before attempting to constrict the vessel.’
    • ‘Because high blood pressure constricts the blood vessels in the uterus that supply the baby with oxygen and nutrients, the baby's growth may be slowed.’
    • ‘Pilocarpine drops may be used to constrict the pupil and re-establish circulation of aqueous humor.’
    • ‘All forms of hypertension can constrict the blood vessels in the uterus that supply the fetus with oxygen and nutrients.’
    • ‘Results indicate that while cocaine did constrict brain blood vessels in men, it failed to do so in women.’
    • ‘In colder temperatures, the heart tolerates less exertion because the body reacts to cold by constricting small arteries.’
    • ‘The band constricts the stomach, thus producing a small pouch with a narrow opening into the lower stomach.’
    • ‘As a result, caffeine dilates your pupils, speeds your heart rate, constricts your blood vessels, raises your blood pressure, and tightens your muscles.’
    • ‘It can also constrict blood vessels and cause chest pain or irregular heart beats.’
    • ‘Peptides produced in the milk during culturing seem to inhibit chemicals that constrict vessels and increase blood pressure.’
    • ‘She'd climb on with a bit of a problem, her tight little shirt wouldn't allow her too much freedom and the narrow stilettos constricted her feet.’
    narrow, become narrower, make narrower, tighten, compress, contract, become smaller, make smaller, shrink, draw in
    View synonyms
    1. 1.1no object Become narrower.
      ‘he felt his throat constrict’
      • ‘Hot tears sprung into her eyes and her throat began to constrict.’
      • ‘His heart constricted tightly in his chest as the wetness seeped into Michael's eyes.’
      • ‘His throat constricts, and he clears it quietly while standing up from his chair.’
      • ‘Matt's throat constricted painfully and he dashed, trainers squeaking on the shiny floor, to the high bed, only just stopping himself jumping onto it.’
      • ‘He could almost feel his heart constrict in his chest as he remembered that moment.’
      • ‘Her throat constricts, and she swallows painfully, trying to keep her voice steady.’
      • ‘He looked so desperate my throat began to constrict.’
      • ‘If the sympathetic nervous system is damaged, however, the blood vessels do not constrict and blood pressure progressively decreases.’
      • ‘So Alex loved someone, I felt my heart constrict tightly as I registered what he said.’
      • ‘As stress can make blood vessels constrict and blood pressure rise, it may also reduce the heart's ability to relax and fill with blood, researchers says.’
      • ‘Choking back a sob, he felt his throat constrict.’
      • ‘I felt my throat constricting and my hands became clammy.’
      • ‘He had wanted to start some form of conversation, but before he could, his throat would constrict in nervousness.’
      • ‘Tears rose swiftly and her throat constricted.’
      • ‘A weight seemingly pressed on my chest and my throat constricted.’
      • ‘Without warning my throat constricted and my eyes filled with tears.’
      • ‘His throat constricted at her innocent teasing.’
      • ‘It's like my throat is constricting or my lungs aren't working.’
      • ‘I felt my throat constrict, and not trusting myself to speak, I nodded.’
      • ‘This junk causes your throat and nose to constrict, immediately reducing lung capacity.’
    2. 1.2 (of a snake) coil round (prey) in order to asphyxiate it.
      ‘boas constrict and suffocate their prey’
      • ‘It became harder and harder to get a breath as the snake constricted around his ribs.’
      • ‘But it takes about four minutes for a rat to die of asphyxiation, whereas a snake can constrict a rodent to death in just one.’
      • ‘The boa nailed the rat immediately and the rat gave out the loudest squeal I have ever heard as the snake constricted him.’
      • ‘The snakes also twist while constricting, in order to break the backs of their unfortunate prey.’
      • ‘They will kill their prey by wrapping around them and constricting or by pressing them against the burrow walls.’
      • ‘I quickly retrieved my digital camera and took this series of photographs as the snake constricted and consumed the bird.’
      • ‘I saluted my rescuer with a roar and followed him as he swooped down on a giant yellow cobra that was constricting my friend.’
      • ‘Would you rather be bitten by a poisonous snake or constricted by a python?’
      • ‘The pythons have around 250 teeth and catch their prey by biting, grabbing, then wrapping themselves around the prey and constricting it.’
      choke, choke to death, suffocate, smother, stifle
      View synonyms
    3. 1.3 Inhibit or restrict.
      ‘the fear and the reality of crime constrict many people's lives’
      • ‘Then pressure constricted his movement and confidence, and an untimely double fault crept into his game.’
      • ‘It constricts his creativity and his autonomy.’
      • ‘And how does your perception of reality enlarge or constrict the life that calls you forward?’
      • ‘She does not want to be constricted by a narrow feminism nor does she accept the cultural burden handed to her as a woman.’
      • ‘Having a shirt on probably constricts his creativity.’
      • ‘But this meant that the economic life of Europe was severely constricted.’
      • ‘Despite two illustrious parents, the company has been severely constricted for cash.’
      • ‘He said shoes constricted his creativity.’
      impede, restrict, inhibit, obstruct, limit, interfere with, hinder, hamper, check, curb
      View synonyms

Origin

Mid 18th century: from Latin constrict- ‘bound tightly together’, from the verb constringere (see constrain).

Pronunciation

constrict

/kənˈstrɪkt/