- Definitions|0
- Thesaurus|71
- Abbreviations|0
| diabolically | |
| evilly | |
| fiendishly | |
| forbiddingly(adverb, negatively) | |
| frigidly(adverb, negatively) | |
| hardheartedly | |
| hardly | |
| hatefully(adverb, immorality, acts) | |
| hellishly(adverb, immorality, acts) | |
| inconsiderately | |
| ironheartedly | |
| misaffectionately | |
| misanthropically | |
| murderously(adverb, immorality, acts) | |
| ruthlessly(adverb, immorality, acts) | |
| sadistically(adverb, immorality, acts) | |
| sinisterly | |
| something blasphemous(adverb, immorality, acts) | |
| something fierce(adverb, immorality, acts) | |
| spitefully(adverb, immorality, acts) |
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| APA | Smart Define. (2016). unkindheartedly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unkindheartedly/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unkindheartedly thesaurus" https://smartdefine.org/unkindheartedly/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, unkindheartedly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unkindheartedly/thesaurus/synonyms>. |
| MLA | Smart Define. "unkindheartedly thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/unkindheartedly/thesaurus/synonyms> |