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wacko
[ wak-oh ]
/ ˈwæk oʊ /
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noun, plural wack·os.
Also wack. an eccentric, strange, or odd person.
adjective
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Which of the following nouns has an irregular plural form?
Also whack·o [hwak-oh, wak-oh] /ˈʰwæk oʊ, ˈwæk oʊ/ .
Words nearby wacko
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use wacko in a sentence
British Dictionary definitions for wacko
wacko
/ (ˈwækəʊ) informal /
adjective
mad or eccentric
noun plural wackos
a mad or eccentric person
Word Origin for wacko
C20: back formation from wacky
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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