- Definitions|2
- Thesaurus|435
- Abbreviations|0
| causing pain(expression, idiom, pain) | |
| churlish | |
| complacency | |
| decomposed(adjective, unsatisfactory, fruitless, unfulfilling) | |
| desired(unpleasant, disagreeable, annoying, undesirable, unwanted) | |
| disappoint | |
| disappointing(adjective, unsatisfactory, fruitless, unfulfilling) | |
| disheartening(adjective, unsatisfactory, fruitless, unfulfilling, unrewarding) | |
| distaste | |
| dolorific | |
| gratifications | |
| gratifier | |
| gratifies | |
| hard | |
| harsh | |
| inferior spoiled(expression, unsatisfactory, fruitless, unfulfilling) | |
| ingratitude | |
| insensible | |
| low-quality(adjective, unsatisfactory, fruitless, unfulfilling) | |
| mortifying(adjective, unsatisfactory, fruitless, unfulfilling) |
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| APA | Smart Define. (2015). thankless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thankless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "thankless thesaurus" https://smartdefine.org/thankless/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, thankless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thankless/thesaurus/synonyms>. |
| MLA | Smart Define. "thankless thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/thankless/thesaurus/synonyms> |