- Definitions|1
- Thesaurus|705
- Abbreviations|0
386 entries under adjective topic. ×
| hang tough(expression, strong, certain, definite) | |
| hard(severe, harsh, solid, cruel) | |
| harsh(severe, solid, cruel, determined) | |
| immovable | |
| implacable(harsh, cruel, determined, fierce) | |
| in the bag(expression, idiom, certain, limited) | |
| inalterable(certain, limited, definite, constant) | |
| incessant | |
| incorrigible(even, rigid, inflexible, reliable) | |
| indistinguishable | |
| inexorable(harsh, cruel, determined, fierce) | |
| inhuman(harsh, cruel, determined, fierce) | |
| intense(firm, solid, deliberate, determined) | |
| intent(strong, flat, intense, certain) | |
| interminable | |
| intransigent | |
| invariant | |
| inveterate(certain, limited, definite, inflexible) | |
| limited(certain, definite, inflexible, restricted) | |
| lustrous(quiet, soft, gentle, flat) |
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| APA | Smart Define. (2015). undeviating thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/undeviating/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undeviating thesaurus" https://smartdefine.org/undeviating/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, undeviating thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/undeviating/thesaurus/synonyms>. |
| MLA | Smart Define. "undeviating thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/undeviating/thesaurus/synonyms> |