adjective
1.
Synonyms: unfit 1, ill-adapted, ill-suited, inappropriate, inapt, unfitted, unmeet, unsuited
Related Word: undesirable, unhappy
Antonyms: suitable
2.
Synonyms: improper 1, ill-timed, inappropriate, inapt, inept, unbecoming, unbefitting, undue, unseasonable, untimely
Antonyms: suitable