3
lugubrious(adjective, bleak, black, cloudy, chill)
3
melancholy(adjective, dull, blue, sad, harsh)
3
misanthropic(adjective, separate, private, alone, singular)
3
murky(adjective, bleak, black, cloudy, chill)
3
out of the way(expression, characteristic, solitary, loneliness)
3
outlandish(adjective, characteristic, solitary, loneliness)
3
reserved(adjective, characteristic, close, quiet, private)
3
sad(adjective, characteristic, solitary, loneliness)
3
saturnine(adjective, bleak, black, cloudy, chill)
3
segregated(adjective, close, quiet, unusual, detached)
3
singly(adverb, characteristic, solitary, loneliness)
3
sunless(adjective, bleak, black, cloudy, chill)
3
tenebrous(adjective, bleak, black, cloudy, chill)
3
unhappy(adjective, characteristic, solitary, loneliness)
3
unloved(adjective, characteristic, solitary, loneliness)
3
unpopular(adjective, characteristic, solitary, loneliness)
3
unwanted(adjective, characteristic, solitary, loneliness)
3
with no one to turn to(expression, characteristic, solitary, loneliness)
3
without friends(expression, characteristic, solitary, loneliness)
2
alienated(adjective, characteristic, solitary, secluded, loneliness)
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APASmart Define. (2016). lonely thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lonely/thesaurus/synonyms
ChicagoSmart Define. 2016. "lonely thesaurus" https://smartdefine.org/lonely/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, lonely thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lonely/thesaurus/synonyms>.
MLASmart Define. "lonely thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/lonely/thesaurus/synonyms>