The Collaborative International Dictionary
Muggiest
Muggy \Mug"gy\ (m[u^]g"g[y^]), a. [Compar. Muggier (m[u^]g"g[i^]*[~e]r); superl. Muggiest.] [Cf. Icel. mugga mist, mugginess. Cf. 4th Mold.]
Moist; damp; moldy; as, muggy straw.
Warm, damp, and windless; uncomfortably hot and humid; sultry; as, muggy air, weather.
Wiktionary
muggiest
a. (en-superlative of: muggy)
WordNet
muggy
muggiest
See muggy
Usage examples of "muggiest".
It was the hottest, muggiest time of the year to run the obstacle courses in Virginia, but Shawn wasn’t sorry he was there, what he was learning was riveting.