1
ill-looking(adjective, ugly)
1
ill-suited
1
ill-timed
1
impracticable
1
inapplicable
1
incommodious(adjective, offensive, unacceptable, inexpedience)
1
incompatible
1
inconsonant
1
indefensible
1
inefficient(adjective, inexpedient)
1
inelegant(adjective, ugly)
1
inhospitality(noun, disagreeable, lousy, unwelcome, repellent)
1
insipid(offensive, unpleasant, disgusting, painful, tasteless)
1
insufferable(adjective, offensive, rude, terrible, vile)
1
invidious(adjective, nasty, offensive, unpleasant, terrible)
1
lamentable
1
left out in cold(noun, expression, idiom, disagreeable, lousy)
1
loathed(adjective, offensive, disagreeable, out, gross)
1
loser(adjective, out, gross, lousy, weird)
1
mal a propos(expression, idiom)
11 years ago|6.6k views|share |citing 
APASmart Define. (2015). undesirable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undesirable/thesaurus/synonyms
ChicagoSmart Define. 2015. "undesirable thesaurus" https://smartdefine.org/undesirable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, undesirable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undesirable/thesaurus/synonyms>.
MLASmart Define. "undesirable thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/undesirable/thesaurus/synonyms>