Synonyms of squirrelly

1 Syllable
daft, dumb, dull
2 Syllables
silly, foolish, fatuous, batty, daffy, crazy
3 Syllables
birdbrained, insane, foolhardy, lunatic, senseless, inane, idiotic, moronic, thick-witted
4 Syllables
imbecilic, imbecile, harebrained, asinine
5 Syllables
unintelligent