| Muggy 1. (superl.) Moist; damp; moldy; as, muggy straw. 2. (superl.) Warm, damp, and close; as, muggy air, weather. Thesaurus Entries boggy, clammy, close, damp, dampish, dank, dewy, fenny, humid, marshy, moist, mucky, oppressive, rainy, roric, roriferous, soggy, steamy, sticky, stifling, stuffy, suffocating, sultry, swampy, tacky, undried, wet, wettish |