Synonyms of unwiseness

1 Syllable
bunk
2 Syllables
twaddle, folly, madness, rubbish, claptrap, weakness
3 Syllables
idiocy, poppycock, witlessness, mistake, zaniness, foolishness, craziness, absurdness, carrying-on, tommyrot, nonsense, lunacy, foolery, silliness
4 Syllables
tomfoolery, insanity, inanity, senselessness, imprudence, ludicrousness, absurdity, indiscretion, stupidity
5 Syllables
preposterousness, imbecility
6 Syllables
insensibility, impracticality, unreasonableness, irrationality
7 Syllables
irresponsibility