| contrariety | |
| crunch | |
| daintiness | |
| debility(noun, weakness, delicacy, inadequacy, shakiness) | |
| debt(noun, pass, difficulty, distress, failure) | |
| decrease(noun, want, need, loss, reduction) | |
| decrepitude(noun, weakness, delicacy, inadequacy, shakiness) | |
| depletion(noun, pass, difficulty, distress, failure) | |
| deprivation(noun, failure, want, need, loss) | |
| dereliction(noun, weakness, lack, failing, imperfection) | |
| desideratum(noun, want, essential, requirement, necessity) | |
| difficulty(noun, pass, distress, failure, want) | |
| diminutiveness | |
| disablement | |
| discontinuity(noun, incompleteness) | |
| disease(noun, weakness, delicacy, inadequacy, shakiness) | |
| disequilibrium | |
| dissatisfactoriness | |
| disservice | |
| drawback(defect, deficiency, imperfection, limitation, inadequacy) |
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| APA | Smart Define. (2015). insufficiency thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/insufficiency/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insufficiency thesaurus" https://smartdefine.org/insufficiency/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, insufficiency thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/insufficiency/thesaurus/synonyms>. |
| MLA | Smart Define. "insufficiency thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/insufficiency/thesaurus/synonyms> |