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single unsociable(expression, private, alone, singular, lonely)
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singled-out
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solitarily(adverb, alone)
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special
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specific
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standoffish
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strange
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tragic(depressed, bleak, forlorn, despondent)
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unalloyed
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unapproachable
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unattractive
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unblended
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uncommon
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uncompanionable(private, alone, singular, lonely, unsociable)
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uncompounded
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undivided
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unfettered
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unitary
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unmixed
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unpopular
10 years ago|1k views|share |citing 
APASmart Define. (2016). companionless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/companionless/thesaurus/synonyms
ChicagoSmart Define. 2016. "companionless thesaurus" https://smartdefine.org/companionless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, companionless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/companionless/thesaurus/synonyms>.
MLASmart Define. "companionless thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/companionless/thesaurus/synonyms>