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
2discuss or examine (an opinion, issue, or complaint) in public:he used the club to ventilate an ongoing complaint
3 Medicine subject to artificial respiration:the patient was sedated and ventilated
archaic oxygenate (the blood).
4 informal kill (someone) by shooting:I pull out a gun and ventilate her dinner companion
