- Definitions|1
- Thesaurus|340
- Abbreviations|0
| right(flawless, faultless, textbook) | |
| roach | |
| safe | |
| scathless | |
| seaworthy | |
| sharp(flawless, faultless, textbook) | |
| sheer(adjective, flawless, faultless, textbook, unspoiled) | |
| simple(flawless, faultless, textbook) | |
| strict(flawless, faultless, textbook) | |
| suitable(flawless, faultless, textbook) | |
| superlative(adjective, excellent, perfect, pure, model) | |
| textbook(flawless, faultless) | |
| thorough | |
| to a T(expression, adjective, idiom, flawless, faultless) | |
| to a turn(expression, adjective, idiom, flawless, faultless) | |
| trivet | |
| true(flawless, faultless, textbook) | |
| ultimate(adjective, perfect, model, supreme) | |
| unalloyed(adjective, flawless, faultless, textbook, unspoiled) | |
| unbeaten |
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| APA | Smart Define. (2015). indefectible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/indefectible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indefectible thesaurus" https://smartdefine.org/indefectible/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, indefectible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/indefectible/thesaurus/synonyms>. |
| MLA | Smart Define. "indefectible thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/indefectible/thesaurus/synonyms> |