wacky

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wacky /ˈwæki/ adjective
wackier; wackiest
wacky
/ˈwæki/
adjective
wackier; wackiest
Learner's definition of WACKY
[also more wacky; most wacky] informal
: amusing and very strange

— wackiness

/ˈwækinəs/ noun [noncount]