6
secret(adjective, characteristic, close, quiet, remote)
6
troglodytic(adjective, solitary, characteristic, single, alone)
6
unpopulated(adjective, characteristic, solitary, loneliness)
5
destitute(adjective, solitary, single, alone, lone)
5
cloistered(adjective, close, quiet, separate, shy)
5
despondent(adjective, blue, sad, depression, woe)
5
dismal(adjective, bleak, black, cloudy, chill)
5
down(adjective, solitary, characteristic, single, alone)
5
outlying(adjective, obscure, unusual, near, detached)
5
renounced(adjective, solitary, characteristic, single, alone)
5
somber(adjective, blue, sad, depression, woe)
5
unbefriended(adjective, solitary, characteristic, single, alone)
5
uncherished(adjective, solitary, characteristic, single, alone)
5
unpeopled(adjective, characteristic, solitary, loneliness)
5
wretched(adjective, dull, sad, unhappy, miserable)
4
separated(adjective, characteristic, solitary, secluded, loneliness)
4
antisocial(adjective, separate, private, alone, singular)
4
mournful(adjective, blue, sad, depression, woe)
4
alonely(adverb, characteristic, solitary, loneliness)
4
cut off(expression, adjective, characteristic, close, quiet)
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APASmart Define. (2016). lonely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lonely/thesaurus/synonyms
ChicagoSmart Define. 2016. "lonely thesaurus" https://smartdefine.org/lonely/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, lonely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lonely/thesaurus/synonyms>.
MLASmart Define. "lonely thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/lonely/thesaurus/synonyms>