1
exact(adjective, flawless, faultless, textbook)
1
excellent(adjective, good, great, sound, perfect)
1
excelling(adjective, pure, splendid, flawless, faultless)
1
exemplary(adjective, excellent, perfect, model, supreme)
1
experienced(adjective, pure, splendid, flawless, faultless)
1
expert(adjective, pure, splendid, flawless, faultless)
1
fitting(adjective, excellent, perfect, model, supreme)
1
foolproof(adjective, pure, splendid, flawless, faultless)
1
free from imperfection(expression, idiom, perfection)
1
good(adjective, great, excellent, perfect, satisfactory)
1
have-it-all(adjective, excellent, perfect, model, ideal)
1
in perfect condition(expression, idiom, perfection)
1
infallible
1
integral(adjective, flawless, faultless, textbook, unspoiled)
1
just right
1
matchless(adjective, pure, splendid, flawless, faultless)
1
optimal(adjective, excellent, perfect, model, supreme)
1
out-of-this-world(adjective, good, great, sound, excellent)
1
paradigmatic(adjective, excellent, perfect, model, supreme)
1
paradisiac(adjective, pure, splendid, flawless, faultless)
11 years ago|1.6k views|share |citing 
APASmart Define. (2015). indefectible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/indefectible/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefectible thesaurus" https://smartdefine.org/indefectible/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, indefectible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/indefectible/thesaurus/synonyms>.
MLASmart Define. "indefectible thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/indefectible/thesaurus/synonyms>