Meanings
adjectivewhacko (comparative more whacko, superlative most whacko)
comparative more whacko · superlative most whacko
- alternativeAlternative spelling of wacko.
Synonyms & antonyms
nouna person who is regarded as eccentric or mad
Synonym sets from Open English WordNet, CC BY 4.0.
Rhymes & wordplay
Anagrams
Cite this entry
APA
whacko. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/whacko
MLA
“whacko.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/whacko. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “whacko,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/whacko.
Source: whacko on Wiktionary, CC BY-SA 4.0.