- Definitions|1
- Thesaurus|187
- Abbreviations|0
61 entries under tough topic. ×
| set in stone(expression, adjective, idiom, secure) | |
| obdurate(adjective, determined, fixed, stiff) | |
| obstinate(adjective, firm, determined, usual) | |
| pigheaded(adjective, determined, usual, regular) | |
| resolute(adjective, secure, firm, determined) | |
| single-minded(adjective, firm, cruel, stiff) | |
| uncompromising(adjective, secure, firm, steady) | |
| unyielding(adjective, hard, determined, fixed) | |
| astute(adjective, hard, sharp, practical) | |
| awkward(adjective, difficult, wild, obstinate) | |
| bullheaded(adjective, severe, wild, awkward) | |
| cantankerous(adjective, difficult, wild, awkward) | |
| contrary(adjective, difficult, wild, determined) | |
| crisp(adjective, firm, fixed, distant) | |
| difficult(adjective, wild, awkward, obstinate) | |
| distant(adjective, firm, fixed, rigid) | |
| do or die(expression, adjective, idiom, firm) | |
| dug in(expression, adjective, secure, firm) | |
| firm(adjective, secure, severe, determined) | |
| formal(adjective, firm, fixed, distant) |
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| APA | Smart Define. (2013). locked in thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/locked_in/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "locked in thesaurus" https://smartdefine.org/locked_in/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2013, locked in thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/locked_in/thesaurus/synonyms>. |
| MLA | Smart Define. "locked in thesaurus" 18 May 2013. Web. 29 September 2026. <https://smartdefine.org/locked_in/thesaurus/synonyms> |