Definition of "muggiest" []

• Superlative form of muggy: most muggy. (adjective)

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• "It's going to be really muggy, just think about the muggiest Washington day you can think of, said Lisa Kaltenegger, an astronomer with the Max Planck Institute in Germany, and author of the new study."
• "The dog days are officially counted as starting 20 days before the conjunction, and continuing to 20 days afterward, which spans July and August -- the hottest and muggiest part of the season."
• "It was a heated practice, too, with two near fights on what might have been the hottest, muggiest day so far."