Synonyms of inadvisable

1 Syllable
wrong, rash
2 Syllables
pointless, off-base, foolish, unapt
3 Syllables
improper, imprudent, unfitting, indiscreet, foolhardy, unwiser, incautious, unwarned, unwise, careless
4 Syllables
unsensible, unsuitable, ill-advised, inexpedient, out-of-place, out-of-season, inconvenient, unbefitting, unadvised, impolitic, injudicious, harebrained
5 Syllables
undesirable, inappropriate, unfavorable, inapposite