18
sequestered(adjective, secluded, solitary, out-of-the-way, characteristic)
14
reclusive(adjective, solitary, secluded, verb, characteristic)
14
withdrawn(adjective, solitary, single, alone, lone)
13
disconsolate(adjective, blue, sad, depression, woe)
12
detached(adjective, unusual, individual, remote, single)
11
out-of-the-way(expression, adjective, close, quiet, separate)
11
dreary(adjective, blue, sad, depression, gloomy)
11
solo(adjective, separate, individual, detached, private)
10
homesick(adjective, lost, wistful, nostalgic)
10
unsocial(adjective, solitary, alone, singular, lone)
10
barren(adjective, characteristic, miserable, empty, bleak)
10
desert(adjective, uncultivated, barren, characteristic, miserable)
10
comfortless(adjective, bleak, solitary, characteristic, dull)
10
estranged(adjective, solitary, single, alone, lone)
10
rejected(adjective, solitary, characteristic, loneliness, single)
9
off the beaten track(expression, adjective, characteristic, solitary, desolate)
9
removed(adjective, characteristic, close, quiet, near)
9
apart(adjective, solitary, characteristic, unusual, detached)
9
bleak(adjective, dull, miserable, boring, depressed)
9
by oneself(expression, idiom, characteristic, solitary, loneliness)
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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>