- Definitions|1
- Thesaurus|454
- Abbreviations|0
21 entries under noun topic. ×
| abrasiveness | |
| adversity | |
| asperity | |
| awkwardness | |
| badness | |
| callousness | |
| clumsiness | |
| cogency | |
| ghastliness | |
| grimness | |
| gruesomeness | |
| hardness | |
| hardship | |
| harshness | |
| rigidity | |
| rigor | |
| rigorousness | |
| rigour | |
| severity | |
| stiffness |
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| APA | Smart Define. (2015). airtight thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/airtight/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "airtight thesaurus" https://smartdefine.org/airtight/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, airtight thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/airtight/thesaurus/synonyms>. |
| MLA | Smart Define. "airtight thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/airtight/thesaurus/synonyms> |