Definition of ventilate in English:



  • 1Cause air to enter and circulate freely in (a room, building, etc.)

    ‘ventilate the greenhouse well’
    ‘gas heaters should only ever be used in well-ventilated rooms’
    • ‘The building is entirely naturally ventilated, with fabric, structure and skin tuned to control the internal environment.’
    • ‘The naturally ventilated buildings are adjacent to several busy streets in a commercial zone.’
    • ‘In damp, warm, poorly ventilated areas, surface mold often develops on wooden parts of buildings.’
    • ‘When working with contact cement, make sure your work area is well ventilated.’
    • ‘Once the 800 degrees was reached, the building would be ventilated.’
    • ‘As a payment he got my old gas fire, for which my front room is not adequately ventilated.’
    • ‘Their laboratory was three mechanically ventilated office buildings.’
    • ‘In conventionally ventilated rooms, bacterial counts were consistently high and were not significantly influenced by OR attire.’
    • ‘Remember to use any sprays or chemicals in a place that is well ventilated.’
    • ‘All three office buildings were mechanically ventilated without humidification.’
    • ‘In the meantime we are advising schools to ensure rooms are ventilated.’
    • ‘Flammable liquids should be kept in approved metal containers in a well ventilated location.’
    • ‘The building was evacuated as two teams of two fire fighters entered the building to clear up the spillage and ventilate the factory.’
    • ‘Every part of the living area is properly ventilated, with each room given a huge opening that enhances a sense of spaciousness.’
    • ‘Eighty percent of the building is naturally ventilated.’
    • ‘Each room is ventilated separately from the other toilet rooms.’
    • ‘Never use any paint stripper in a poorly ventilated area.’
    • ‘They also had to smash a number of windows in the chapel to ventilate the building.’
    • ‘Your average busy bar accommodates a couple of hundred people in an enclosed and poorly ventilated area.’
    • ‘The control group was maintained in a similar chamber ventilated with filtered air.’
    aerate, air, oxygenate, air-condition, fan, freshen, refresh, cool
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    1. 1.1 (of air) purify or freshen (something) by blowing on or through it.
      ‘a colossus ventilated by the dawn breeze’
      • ‘Membrane oxygenators consist of a series of fine tubes which allow diffusion of oxygen and carbon dioxide between the blood flowing through them and the ventilating gas surrounding them.’
      • ‘Antibiotic concentrations declined by 70 percent during that period if the sample was ventilated with forced air.’
  • 2Discuss or examine (an opinion, issue, or complaint) in public.

    ‘he used the club to ventilate an ongoing complaint’
    • ‘Her erstwhile colleagues in Cabinet report that Ms Short was never timid about ventilating her opinions.’
    • ‘Your Honours, neither of the points my friend has sought to ventilate in this Court were raised before the Court of Criminal Appeal at all.’
    • ‘So that issue and the facts which would underpin that issue were never ventilated in the Tribunal.’
    • ‘Over the next few days I plan to really ventilate the issue, to open up for discussion and so on.’
    • ‘It is not as if the issue had not been ventilated in the evidence, it was that counsel was stopped from addressing on that issue.’
    • ‘The issue needs to be ventilated, but it takes a lot more than holding a summit.’
    • ‘Our submission is that it was just never ventilated, it was never discussed.’
    • ‘By the same token, my friend would be able to ventilate all issues that pertain to the merits of the proposed amendment.’
    • ‘There remains only one matter, your Honour, which we did ventilate on the last occasion.’
    • ‘The question was well and truly ventilated that there was, in fact, a loss and it was up to his Honour to quantify it.’
    • ‘And I think there are a couple of issues that really deserve to be fully ventilated.’
    • ‘Many of the main allegations have been well ventilated already but that did not take away from their impact.’
    • ‘The matter I was about to raise is that the question of whether the bargain was fair was not ventilated except in this way.’
    • ‘Because of the brief way it was led and the way it was thus cross-examined, that issue was not ventilated at any length.’
    • ‘A lot of opinion has certainly been ventilated this week on the working practices of the travel industry.’
    • ‘‘We are aware that the issue has been ventilated by an e-mail campaign,’ his spokeswoman said.’
    • ‘It sounds as if this issue has not really ever yet been fully ventilated and decided in the way in which you have described it to me.’
    • ‘Well, in our submission, your Honour, they choose to have this issue ventilated at the highest level.’
    • ‘It is also a remedy in public law for safeguarding public law rights and for ventilating public law issues.’
    • ‘I will not read it out, but it is the question which has been ventilated today.’
    express, give expression to, air, give an airing to, bring into the open, raise, register, lodge, bring up, come out with, reveal, assert, declare, communicate, utter, voice, give voice to, put into words, verbalize, talk about, discuss, debate, talk over
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  • 3Medicine
    Subject to artificial respiration.

    ‘the patient was sedated and ventilated’
    • ‘In Brazil, 55 % of patients mechanically ventilated for acute lung injury died.’
    • ‘A sterile, second airway is needed in this instance to ventilate the lung.’
    • ‘Initially the lungs had to be ventilated artificially.’
    • ‘Animals were ventilated intermittently to peak pressure at a respiratory rate of 20 breaths per minute.’
    • ‘Each animal was artificially ventilated, and the mechanical respiratory properties of the mouse were measured.’
    1. 3.1archaic Oxygenate (the blood).
  • 4informal Kill (someone) by shooting.

    ‘I pull out a gun and ventilate her dinner companion’
    • ‘A few seconds and four popped caps later, she ventilated Anthony Peralez's arm with two rounds and plunked a pumpkin ball into his belly.’


Late Middle English (in the sense ‘winnow, scatter’): from Latin ventilat- ‘blown, winnowed’, from the verb ventilare, from ventus ‘wind’. Sense 1 dates from the mid 18th century.