| tender | |
| touch-and-go(adjective, bad, delicate, heavy, awkward) | |
| transitory(adjective, present, short, limited, unpredictable) | |
| uneasy(adjective, anxious, awkward, unsettled, shaky) | |
| vagrant(unsettled, variable, changeableness) | |
| various(adjective, change, archaism) | |
| versatile(adjective, unsettled, changeable, variable, movable) | |
| wavy(adjective, shaky, unsteady, rickety, undulating) | |
| wishy-washy(adjective, weak, uncertain, doubtful, hesitant) | |
| adjustable(adjective, changeable) | |
| afloat | |
| alarming(adjective, bad, heavy, insecure, danger) | |
| anxious(adjective, awkward, nervous, unsettled, disturbed) | |
| choppy | |
| critical(adjective, bad, delicate, heavy, awkward) | |
| different | |
| fading | |
| fluctuant(adjective, weak, uncertain, nervous, irregular) | |
| frivolous(adjective, careless, stupid, unreliable, changeable) | |
| liminal |
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| APA | Smart Define. (2016). unstable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, unstable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>. |
| MLA | Smart Define. "unstable thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms> |