We found 32 dictionaries that define the word muggy:

General (26 matching dictionaries)

1. muggy: Longman Dictionary of Contemporary English
2. muggy: Merriam-Webster
3. muggy: Oxford Learner's Dictionaries
4. muggy: American Heritage Dictionary of the English Language
5. muggy: Collins English Dictionary
6. muggy: Vocabulary.com
7. Muggy, muggy: Wordnik
8. muggy: Cambridge Advanced Learner's Dictionary
9. muggy: Wiktionary
10. muggy: Webster's New World College Dictionary, 4th Ed.
11. muggy: The Wordsmyth English Dictionary-Thesaurus
12. muggy: Infoplease Dictionary
13. Muggy, muggy: Dictionary.com
14. muggy: Online Etymology Dictionary
15. muggy: Cambridge Essential American English Dictionary
16. Muggy: Wikipedia, the Free Encyclopedia
17. Muggy: Online Plain Text English Dictionary
18. muggy: Webster's Revised Unabridged, 1913 Edition
19. muggy: Rhymezone
20. muggy: AllWords.com Multi-Lingual Dictionary
21. muggy: Webster's 1828 Dictionary
22. muggy: FreeDictionary.org
23. muggy: Mnemonic Dictionary
24. muggy: TheFreeDictionary.com

Computing (1 matching dictionary)

25. muggy: Encyclopedia

Science (1 matching dictionary)

26. Weather Glossary (No longer online)

Slang (2 matching dictionaries)

27. muggy, muggy: Green’s Dictionary of Slang
28. muggy: Urban Dictionary

Tech (2 matching dictionaries)

29. National Weather Service Glossary (No longer online)
30. Glossary of Meteorology (No longer online)

(Note: See muggier as well.)

Definitions from Wiktionary ( ) ▸ adjective:  (of the weather, air, etc.) Humid, or hot and humid. ▸ adjective:  (obsolete) Wet or mouldy. ▸ adjective:  (obsolete, slang) Drunk. Similar: steamy, wet, sticky, moist, muggish, sultry, fuggy, humid, moistful, humective, more... Opposite: dry, arid, parched Types: hot, humid, sticky, sultry, more... Phrases: opposite of muggy, hot and muggy, more... Adjectives: little, hot, deuced, pretty, old, terrible, late Colors:     gray,     olive,     taupe,     khaki,     moss green, more... ▸ Word origin ▸ Words similar to muggy ▸ Usage examples for muggy ▸ Idioms related to muggy ▸ Wikipedia articles (New!) ▸ Popular nouns described by muggy ▸ Words that often appear near muggy ▸ Rhymes of muggy ▸ Invented words related to muggy