Dictionary entry

Muggy

Webster's Dictionary 1913

Mug″gy (mŭg″gy̆), a. [Compar.Muggier (–gĭ‐ẽr); superl.Muggiest.] [Cf. Icel. mugga mist, mugginess. Cf. 4th Mold.] 1. Moist; damp; moldy; as, muggy straw.

2. Warm, damp, and close; as, muggy air, weather.