Word.ws English Dictionary

koo-koo

koo-koo is the alternative form of cuckoo.

Meaning of cuckoo

Adjective

cuckoo (comparative more cuckoo, superlative most cuckoo)

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

See all 11 meanings of cuckoo

Questions about koo-koo

What is koo-koo the alternative form of?
Koo-koo is the alternative form of cuckoo.

Words near koo-koo in the dictionary

  1. konzo
  2. Končanica
  3. Koo
  4. Koo Wee Rup
  5. Koo Wee Rup North
  6. koo-koo
  7. Koob
  8. Kooba
  9. Koobs
  10. Koochiching County
  11. Kooddoo

Source and license

Adapted from Wiktionary: koo-koo (page history and authors); cuckoo (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “koo-koo.” Word.ws, https://word.ws/koo-koo. Based on Wiktionary, CC BY-SA 4.0.