TOP

Definition of wacko adjective from the Oxford Advanced Learner's Dictionary

wacko

adjective
 
/ˈwækəʊ/
 
/ˈwækəʊ/
(also whacko)
(especially North American English, informal)
jump to other results
  1. crazy; not sensible
    • wacko opinions
    Word Origin1970s: from wacky + -o.
See wacko in the Oxford Advanced American Dictionary
Check pronunciation: wacko

Other results

All matches

Nearby words

trait
noun
 
 
From the Word list
Oxford 5000
B2
Oxford Learner's Dictionaries Word of the Day