Synonyms of unsuitable in English:

unsuitable


See definition of unsuitable

adjective

1‘they had been sold an unsuitable product’

SYNONYMS
inappropriate, unsuited, ill-suited, inapt, inapposite, unfitting, unbefitting, undue, incompatible, out of place, out of keeping, out of character, incongruous
unacceptable, ineligible, not good enough
ANTONYMS

suitable

2‘unsuitable reading matter for a young lady’

SYNONYMS
unbecoming, unseemly, indecorous, improper
ANTONYMS

becoming

3‘her comment came at an unsuitable moment’

SYNONYMS
inopportune, infelicitous, malapropos
badly chosen
archaic unseasonable
ANTONYMS

opportune