21 entries under adjective topic. ×
| invertebrate | |
| spineless | |
| unstable | |
| unsteady | |
| wayward | |
| inconsistent | |
| inconstant | |
| indecisive | |
| indeterminate | |
| infirm | |
| instable | |
| irresolute | |
| pendulous | |
| questionable | |
| restless | |
| rickety | |
| shaky | |
| sickly | |
| slippery | |
| uncertain |
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| APA | Smart Define. (2015). vertebrate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vertebrate/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "vertebrate thesaurus" https://smartdefine.org/vertebrate/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, vertebrate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vertebrate/thesaurus/antonyms>. |
| MLA | Smart Define. "vertebrate thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/vertebrate/thesaurus/antonyms> |