/ ˈwækəʊ; NAmE -koʊ/ adjective , noun
( informal )
■ adjective
crazy; not sensible :
wacko opinions
■ noun
( pl. -os or -oes ) ( especially NAmE ) a crazy person
••
WORD ORIGIN
1970s: from wacky + -o .
/ ˈwækəʊ; NAmE -koʊ/ adjective , noun
( informal )
■ adjective
crazy; not sensible :
wacko opinions
■ noun
( pl. -os or -oes ) ( especially NAmE ) a crazy person
••
WORD ORIGIN
1970s: from wacky + -o .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005