Whacko

adj, noun

adj, noun ·2 syllables ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Alternative spelling of wacko. alt-of, alternative
  2. 2
    a person who is regarded as eccentric or mad wordnet
Adjective
  1. 1
    Alternative spelling of wacko. alt-of, alternative

Synonyms

All synonyms
bakedbananasbarkingbarking madbarmybatchy

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.