68 entries under adjective topic. ×
| unchanging(clear, sound, steady) | |
| regular | |
| cool | |
| definite(clear, sound, steady) | |
| dependable(clear, weak, sound, steady) | |
| durable | |
| equable | |
| indomitable(steadfast, unyielding) | |
| permanent | |
| predictable(clear, sound, steady) | |
| serene | |
| solid(weak, loose, wobbly) | |
| tranquil | |
| undisturbed | |
| unfaltering | |
| unruffled | |
| amiable | |
| canny | |
| clear(sound, steady) | |
| comfortable |
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| APA | Smart Define. (2016). unstable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unstable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, unstable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unstable/thesaurus/antonyms>. |
| MLA | Smart Define. "unstable thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/unstable/thesaurus/antonyms> |