We found 32 dictionaries that define the word wacky:

General (25 matching dictionaries)

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

Computing (1 matching dictionary)

24. wacky: Encyclopedia

Medicine (1 matching dictionary)

25. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

26. WACKY: Acronym Finder
27. AbbreviationZ (No longer online)

Slang (3 matching dictionaries)

28. wacky: Green’s Dictionary of Slang
29. wacky: English slang and colloquialisms used in the United Kingdom
30. wacky: Urban Dictionary

(Note: See wackier as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Zany; eccentric. ▸ noun:  Alternative form of wacke [(geology) A soft, earthy, dark-coloured rock or clay derived from the alteration of basalt.] Similar: goofy, zany, barmy, kooky, silly, foolish, bats, insane, dotty, cockamamy, more... Opposite: normal, conventional, usual, common Types: wacko, wacky-doodle, wackadoodle, wackadoo, wacko-doodle, more... Phrases: wacky weed, wacky baccy, The Wacky Adventures of Ronald McDonald, The Wacky World of Tex Avery, Wacky Packages, more... Colors:     neon green,     electric blue,     hot pink,     lime,     tangerine, more... ▸ Word origin ▸ Words similar to wacky ▸ Usage examples for wacky ▸ Idioms related to wacky ▸ Wikipedia articles (New!) ▸ Popular adjectives describing wacky ▸ Popular nouns described by wacky ▸ Words that often appear near wacky ▸ Rhymes of wacky ▸ Invented words related to wacky