129 entries under adjective topic. ×
| persistent | |
| persisting | |
| pertinacious | |
| predestined | |
| predetermined | |
| purposeful | |
| purposive | |
| regular(even, rigid, inflexible, reliable) | |
| resolved | |
| severe | |
| single-minded | |
| smooth(even, rigid, inflexible, reliable) | |
| static(even, rigid, inflexible, reliable) | |
| staunch | |
| steadfast | |
| steady(even, rigid, inflexible, reliable) | |
| tenacious | |
| tireless | |
| true(even, rigid, inflexible, reliable) | |
| undaunted |
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| APA | Smart Define. (2015). irreversible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/irreversible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "irreversible thesaurus" https://smartdefine.org/irreversible/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, irreversible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/irreversible/thesaurus/synonyms>. |
| MLA | Smart Define. "irreversible thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/irreversible/thesaurus/synonyms> |