cuckoo is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

Any of various birds, of the family Cuculidae, famous for laying its eggs in the nests of other species; but especially a common cuckoo (Cuculus canorus), that has a characteristic two-note call.
The sound of that particular bird.
The bird-shaped figure found in cuckoo clocks.

Verb

To make the call of a cuckoo.
To repeat something incessantly.
• Synonym: parrot
(UK police) To take over the home of a vulnerable person for the purposes of carrying out organized crime in a concealed way.

Adjective (COMPARABLE)

(slang) Crazy; not sane.
• I think I'm going cuckoo!

cuckoo is a Scrabble valid word

cuckoo

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

cuckoo is an iScramble, QuickWords valid word

cuckoo

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• CUCKOOS

Same letters minus one

• CUOCO