Definition of ventilate in English:

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Pronunciation: /ˈven(t)əˌlāt/


[with object]
1Cause air to enter and circulate freely in (a room, building, etc.): ventilate the greenhouse well [as adjective, in combination]: (-ventilated) gas heaters should only ever be used in well-ventilated rooms
More example sentences
  • Every part of the living area is properly ventilated, with each room given a huge opening that enhances a sense of spaciousness.
  • Their laboratory was three mechanically ventilated office buildings.
  • The building was evacuated as two teams of two fire fighters entered the building to clear up the spillage and ventilate the factory.
1.1(Of air) purify or freshen (something) by blowing on or through it: a colossus ventilated by the dawn breeze
More example sentences
  • Antibiotic concentrations declined by 70 percent during that period if the sample was ventilated with forced air.
  • 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.
1.2 Medicine Subject to artificial respiration.
Example sentences
  • In Brazil, 55 % of patients mechanically ventilated for acute lung injury died.
  • Each animal was artificially ventilated, and the mechanical respiratory properties of the mouse were measured.
  • A sterile, second airway is needed in this instance to ventilate the lung.
1.3 archaic Oxygenate (the blood).
2Discuss or examine (an opinion, issue, complaint, etc.) in public: he used the club to ventilate an ongoing complaint
More example sentences
  • Over the next few days I plan to really ventilate the issue, to open up for discussion and so on.
  • It is also a remedy in public law for safeguarding public law rights and for ventilating public law issues.
  • Her erstwhile colleagues in Cabinet report that Ms Short was never timid about ventilating her opinions.


Late Middle English (in the sense 'winnow, scatter'): from Latin ventilat- 'blown, winnowed', from the verb ventilare, from ventus 'wind'. The sense 'cause air to circulate in' dates from the mid 18th century.

Words that rhyme with ventilate


For editors and proofreaders

Syllabification: ven·ti·late

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