unassailable[adjective]Synonyms: impregnable, invincible, invulnerable, secure
Antonyms: assailable
Related Words: stalwart,
stout,
strong,
sturdy,
tenacious,
tough [TahlilGaran] English Synonym Dictionary ▲
un‧as‧sail‧able /ˌʌnəˈseɪləb
əl◂/
adjective formal not able to be criticized, made weaker, or beaten:
an unassailable argument
The party’s position looked unassailable.
The result gave the team an unassailable lead. [TahlilGaran] Dictionary of Contemporary English ▲