Synonyms of cuckoo
- 1 Syllable
- clock, mad, fool, maer, nuts
- 2 Syllables
- wacky, loonier, silly, crazier, madmen, screwball, apest, loco, madder, aper, loony, batty, maddest, craziest, moonstruck, crackers, looney, daffy, crazy, madman
- 3 Syllables
- insane, scatterbrain, scatterbrains, madperson, crazyman
- 4 Syllables
- schizophrenic, sociopathic