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cuckoo

cuck·oo

cuckoo

pronunciation:
ku ku
parts of speech:
noun, adjective
features:
Word Explorer
part of speech: noun
inflections: cuckoos
definition: a bird of Europe and America with a slim body and a long tail. A cuckoo's color can range from gray to brown. Some cuckoos have a call that sounds like their name.
 
part of speech: adjective
definition: (slang) crazy or foolish.
Sometimes my brother makes faces and does cuckoo things.
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  bird