57 entries under sluggish topic. ×

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moony(adjective, weary, tired, lazy)
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nebbish(adjective, weary, tired, lazy)
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out of it(expression, adjective, idiom, weary, tired)
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passive(adjective, dull, weary, stiff, tired)
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phlegmatic(adjective, weary, tired, lazy)
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sleepy(adjective, weary, tired, lazy)
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sleepyhead(adjective, weary, tired, lazy)
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slow(adjective, dull, weary, stiff, tired)
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slumberous(adjective, weary, tired, lazy)
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snoozy(adjective, weary, tired, lazy)
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somnolent(adjective, weary, tired, lazy)
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spent(adjective, dull, stiff, uninteresting)
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stretchy(adjective, weary, tired, lazy)
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stupefied(adjective, weary, tired, lazy)
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supine(adjective, weary, tired, lazy)
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tired(adjective, dry, boring, weary, tedious)
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weary(adjective, tired, lazy)
<123>
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APASmart Define. (2015). lackluster thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lackluster/thesaurus/synonyms
ChicagoSmart Define. 2015. "lackluster thesaurus" https://smartdefine.org/lackluster/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, lackluster thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lackluster/thesaurus/synonyms>.
MLASmart Define. "lackluster thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/lackluster/thesaurus/synonyms>