Definition of undesirable:
unacceptable, rejected, bothersome, useless, risky, abominable, unsought, fraught, like, offender, defective, outcast, disruptive, unwished-for, uninvited, to be avoided, underworld, culprit, injurious, criminal, unwelcome, annoying, distasteful, awkward, disastrous, exceptionable, undesired, juvenile, dangerous, incommodious, harmful, dreaded, obnoxious, objectionable, contentious, unwelcome, insufferable, gang, inadmissible, scorned, unpopular, perilous, difficult, embarrassing, unenviable, accomplice, unlikable, unsuitable, ringleader, disliked, unapprovable, ill-favored, loathsome, unacceptable, hazardous, lowlife, bad, troublesome, invidious, inadmissible, inapplicable, ruinous, damaging, unwanted, unsought, ineligible, problematic, unwished for, shunned, unsafe, loathed, adverse.
- inexpedient (part of speech: adjective)
- ugly (part of speech: adjective)
On the whole it seemed to the author that his book was flying false and undesirable colours, and since art lies outside the domesticities, he was hardly relieved when his wife told him that she thought the binding was very pretty.- "The Ghost Ship", Richard Middleton.
- "The Lightning Conductor Discovers America", C. N. (Charles Norris) Williamson and A. M. (Alice Muriel) Williamson.
- "The Coast of Adventure", Harold Bindloss.