| decrepit(good, sound) | |
| deep in thought | |
| defunct | |
| delphic | |
| detached | |
| diffident | |
| dim | |
| disbelieving | |
| discontinuous | |
| disinclined | |
| dislodged | |
| doughy(hard, rough, coarse) | |
| evict | |
| facile(adjective, easy) | |
| faint | |
| fainthearted | |
| faithless | |
| fallacious | |
| falsified | |
| famished |
For more, visit
Firm on
Power Thesaurus
| 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> |