煙たい (kemutai) means “smoky” | MotiTan Japanese Dictionary

More examples

換気が悪いと、部屋が煙たくなります。kan ki ga waru i to heya ga kemu ta ku na ri ma su

The room gets smoky when the ventilation is poor.

Describes a state in which smoke fills the air and makes breathing or staying there feel unpleasant.

煙っぽいkemurippoi: Describes air or a place containing a noticeable amount of smoke.

煙が多くて、息苦しさや目や喉への刺激を感じるさま。kemuri ga ō ku te iki guru shi sa ya me ya nodo e no shi geki o kan ji ru sa ma

煙たい (kemutai) combines 煙 (kemuri, "smoke") with the suffix たい (tai), which expresses a felt condition caused by something.

Unlike English smoky, 煙たい (kemutai) can also describe the awkward feeling of being around someone who makes a person feel constrained.