73 entries under reserved topic. ×
| relentless(adjective, strong, tough, firm, cold) | |
| resolute(adjective, tough, firm, fixed, distant) | |
| self-restrained | |
| serene(quiet, gentle, aloof, reticent) | |
| set in stone(expression, adjective, idiom, tough, firm) | |
| single-minded(adjective, tough, firm, fixed, distant) | |
| solitary(adjective, close, quiet, gentle, mild) | |
| standing pat(expression, adjective, tough, firm, distant) | |
| standoff(adjective, cold, modest, unfriendly, aloof) | |
| stuck-up(adjective, cold, modest, unfriendly, aloof) | |
| uncompanionable(adjective, close, quiet, gentle, cold) | |
| uncompromising(adjective, tough, firm, careful, distant) | |
| unconcerned(adjective, cold, unfriendly, aloof, remote) | |
| unflexible(adjective, tough, firm, fixed, distant) | |
| unrelenting(adjective, strong, tough, severe, firm) | |
| unswayable(adjective, tough, firm, fixed, distant) | |
| backward(quiet, gentle, aloof, reticent) | |
| bashful(quiet, gentle, aloof, reticent) | |
| cautious(quiet, gentle, aloof, reticent) | |
| close(quiet, gentle, aloof, reticent) |
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| APA | Smart Define. (2016). formal thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/formal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "formal thesaurus" https://smartdefine.org/formal/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, formal thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/formal/thesaurus/synonyms>. |
| MLA | Smart Define. "formal thesaurus" 10 March 2016. Web. 27 September 2026. <https://smartdefine.org/formal/thesaurus/synonyms> |