Smothering, suffocating, stifling. Obsolete.

Of the nature of a bloom (bloom, n.3): Hot, close.

Stifling, suffocating.

Chiefly English regional (northern and midlands). Humid, sultry, close; stifling. Also figurative.

Of hot or close air, a close room, etc.: Producing the sensation of suffocation; in which one breathes with difficulty; oppressive to the lungs…

Devoid of fresh air, close, stuffy.

Of a room, building, etc.: Ill-ventilated, close. Of the air: Wanting in freshness, oppressive to the lungs and head. Of persons: Addicted to living…

dialect. Stifling, stuffy.

deprived of fresh air; chiefly in stived-up.

Stuffy.