1. superlative form of fozy; most stuffy, warm, and uncomfortable (as in a room or atmosphere)
Usage: chiefly British; informal

Examples

• The foziest room in the house was the attic on a summer afternoon.
• After everyone arrived at the party, the living room became increasingly fozy.
• She opened all the windows because the bedroom felt foziest in the morning.
• The foziest part of the library was the back corner with no ventilation.
• He complained that the foziest air was always in the basement during humid weather.