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cuckoo

noun
cuck·​oo | \ ˈkü-(ËŒ)kü How to pronounce cuckoo (audio) , ˈku̇- How to pronounce cuckoo (audio) \
plural cuckoos

Definition of cuckoo

 (Entry 1 of 3)

1 : a largely grayish-brown European bird (Cuculus canorus) that is a parasite given to laying its eggs in the nests of other birds which hatch them and rear the offspring broadly : any of a large family (Cuculidae of the order Cuculiformes) to which this bird belongs
2 : the call of the cuckoo
3 : a silly or slightly crackbrained person

cuckoo

verb
cuckooed; cuckooing; cuckoos

Definition of cuckoo (Entry 2 of 3)

transitive verb

: to repeat monotonously as a cuckoo does its call

cuckoo

adjective

Definition of cuckoo (Entry 3 of 3)

1 : of, relating to, or resembling the cuckoo
2 : deficient in sense or intelligence : silly

Illustration of cuckoo

Illustration of cuckoo

Noun

cuckoo 1

In the meaning defined above

Synonyms & Antonyms Example Sentences Learn More about cuckoo

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Synonyms & Antonyms for cuckoo

Synonyms: Noun

berk [British], booby, charlie (also charley) [British], ding-a-ling, ding-dong, dingbat, dipstick, doofus [slang], featherhead, fool, git [British], goose, half-wit, jackass, lunatic, mooncalf, nincompoop, ninny, ninnyhammer, nit [chiefly British], nitwit, nut, nutcase, simp, simpleton, turkey, yo-yo

Synonyms: Adjective

balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, crazy, daffy, daft, demented, deranged, fruity [slang], gaga, haywire, insane, kooky (also kookie), loco [slang], loony (also looney), loony tunes (or looney tunes), lunatic, mad, maniacal (also maniac), mental, meshuga (or meshugge), moonstruck, non compos mentis, nuts, nutty, psycho, psychotic, scatty [chiefly British], screwy, unbalanced, unhinged, unsound, wacko (also whacko), wacky (also whacky), wud [chiefly Scottish]

Antonyms: Adjective

balanced, compos mentis, sane, sound, uncrazy

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Examples of cuckoo in a Sentence

Noun

 one cuckoo at the campground tried to boil soup in a plastic cup didn't want to be among those cuckoos who race around the mall the day before Christmas

Adjective

 a cuckoo woman who wandered around town carefully gathering up useless trash offered a completely cuckoo suggestion for using the defunct strip mall

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