WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / W / wacko wacko noun /wækoʊ/ 5 letters Scrabble 14 WWF 15 Definitions noun a person who is regarded as eccentric or mad nutterwhacko Look “wacko” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →