Synonyms|611Antonyms|126|Broader|19Narrower|6Related|393
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fascination
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favonian
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feathery
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feeble
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fickle
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fine
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flaccid
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forbearance
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gladness
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harmony(noun, calm, calmness)
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heartsease
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hush
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immersion
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immobility
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immovability
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impassivity
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imperturbability
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imperturbation(agitation, disturbance)
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inactivity(noun, calm, calmness)
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indifference
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APASmart Define. (2015). restlessness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/restlessness/thesaurus/antonyms
ChicagoSmart Define. 2015. "restlessness thesaurus" https://smartdefine.org/restlessness/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, restlessness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/restlessness/thesaurus/antonyms>.
MLASmart Define. "restlessness thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/restlessness/thesaurus/antonyms>