22 entries under strong topic. ×
| soft(adjective, sharp, bright, out) | |
| feeble(adjective, fit) | |
| weak(adjective, obscure, powerful, uncertain) | |
| shaky(adjective, sound, doubtful, trembling) | |
| unsettled(adjective, clear, weak, sound) | |
| fragile(adjective, dainty, breakable) | |
| frail(adjective, weak, sound, breakable) | |
| flimsy(adjective, light, sound, thin) | |
| insecure | |
| precarious(adjective, stable, doubtful, tricky) | |
| unsound(sound, well) | |
| delicate(hard, harsh) | |
| mild(adjective, cool, agitated) | |
| slender(adjective, fat) | |
| bundle of nerves(expression, idiom) | |
| perturbable | |
| pettish | |
| sapless | |
| shoestring(great, rough) | |
| slight |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/firm/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/firm/thesaurus/antonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/firm/thesaurus/antonyms> |