unassailable

/ʌnɐsˈe‍ɪləbə‍l/

/ˌənəˈseɪɫəbəɫ/

unassailable

irréfutable

without flaws or loopholes

Synonymes : bulletproof

imprenable

impossible to assail

Synonymes : untouchable

imprenable

not capable of being criticized, attacked, or doubted

Synonymes : impregnable

Exemples

1. The dimensions of the ABS chassis are unassailable.

2. They have no unassailable claim to place.

3. So we must maintain defenses of unassailable strength.

4. Seemingly nothing can touch the unassailable legacy of Eazy-E, the godfather of gangsta rap.