1
out of favor(expression, idiom)
1
out of favour(expression, idiom)
1
rejected(unpleasant, disagreeable, lousy, annoying, unwelcome)
1
repellent(unpleasant, disagreeable, lousy, annoying, unwelcome)
1
shut out(expression, disagreeable, lousy, unwelcome, repellent)
1
tedious
1
ugly
1
unalluring
1
unappetising
1
unappetizing
1
unasked(unpleasant, disagreeable, lousy, annoying, unwelcome)
1
uncared-for
1
undelectable
1
undelicious
1
unengaging
1
unenjoyable
1
ungraciousness(noun, disagreeable, lousy, unwelcome, repellent)
1
uninvited(unpleasant, disagreeable, lousy, annoying, unwelcome)
1
unlamented
1
unlikable
11 years ago|3.6k views|share |citing 
APASmart Define. (2015). thankless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thankless/thesaurus/synonyms
ChicagoSmart Define. 2015. "thankless thesaurus" https://smartdefine.org/thankless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, thankless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thankless/thesaurus/synonyms>.
MLASmart Define. "thankless thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/thankless/thesaurus/synonyms>