203 entries under adjective topic. ×
| degenerate(corrupt, immoral, debased, deteriorated) | |
| delinquent(careless, reckless, negligent, slipshod) | |
| drooping(weakening, fading, wearying, flagging) | |
| expiring(verb, last, final, ultimate) | |
| fragile(weak, thin, delicate, ill) | |
| ill(noun, weak, weakness, delicate) | |
| indisposed(ill, unwell, poorly) | |
| moribund | |
| scant(light, poor, short, shy) | |
| senile | |
| sick(weak, ill, feeble, confused) | |
| cracking | |
| decaying(last, final, ultimate, fading) | |
| defeated(vain, ineffective, unsuccessful, weakening) | |
| diminishing(weakening, lessening, dying, fading) | |
| ebbing(noun, drop, fall, last) | |
| effete(mean, weak, low, thin) | |
| enduring | |
| enervated(weak, thin, delicate, shaky) | |
| enfeebled(weak, thin, delicate, ill) |
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| APA | Smart Define. (2015). failing thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/failing/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "failing thesaurus" https://smartdefine.org/failing/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, failing thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/failing/thesaurus/synonyms>. |
| MLA | Smart Define. "failing thesaurus" 23 December 2015. Web. 26 September 2026. <https://smartdefine.org/failing/thesaurus/synonyms> |