This shows grade level based on the word's complexity.
wacko
[ wak-oh ]
/ ˈwæk oʊ /
Save This Word!
This shows grade level based on the word's complexity.
noun, plural wack·os.
Also wack. an eccentric, strange, or odd person.
adjective
QUIZ
ALL IN FAVO(U)R OF THIS BRITISH VS. AMERICAN ENGLISH QUIZ
There's an ocean of difference between the way people speak English in the US vs. the UK. Are your language skills up to the task of telling the difference? Let's find out!
Question 1 of 7
True or false? British English and American English are only different when it comes to slang words.
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. 2023
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012