Synonyms of undesirable

2 Syllables

hard-time, outcast, scorned, pariah, dreaded, loathed, unsought, hated, dripper, annoying, icky, shunned, nerdy, darned

3 Syllables

loathsome, displeasing, unneeded, offputting, disliked, unpleasing, unwiser, obnoxious, invidious, repugnant, useless, off-putting, unvalued, unpleasant, rejected, unwanted, repellent, hateful

4 Syllables

dislikable, distasteful, unwelcome, unlikable, unsensible, unsuitable, unrequired, inessential, defective, disagreeable, inexpedient, unsavory, incommodious, inconvenient, unpopular, bothersome, troublesome, disfavored, unaccepted, ungraciousness, detractory, undesired, unwished-for, repulsive

5 Syllables

unwelcomeness, objectionable, unattractive, unsolicited, unnecessary, inadmissible, intolerable, inadvisable, insufferable, unacceptable, abominable, unallowable, exceptionable, ineligible

6 Syllables

inhospitality, inhospitableness, unsatisfactory