- Definitions|0
- Thesaurus|130
- Abbreviations|0
74 entries under adverb topic. ×
| hard(badly, hardly, harshly, laboriously) | |
| heavily | |
| killingly | |
| punishingly | |
| rigorously | |
| stiffly | |
| strenuously | |
| taxingly | |
| testingly | |
| threateningly | |
| tiresomely | |
| toughly | |
| unremittingly | |
| wearingly |
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| APA | Smart Define. (2013). gruelingly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/gruelingly/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "gruelingly thesaurus" https://smartdefine.org/gruelingly/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2013, gruelingly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/gruelingly/thesaurus/synonyms>. |
| MLA | Smart Define. "gruelingly thesaurus" 17 June 2013. Web. 26 September 2026. <https://smartdefine.org/gruelingly/thesaurus/synonyms> |