unassailable
1 of 1adjective/ˌʌnəˈseɪləbəl/
Forms:more unassailable,most unassailable
1
so flawless that cannot be questioned or denied
Synonyms:
2
without the potential of getting attacked
Synonyms:
3
not capable of being criticized, attacked, or doubted
- The defense attorney presented an unassailable case, leaving no room for doubt.
- The historical data provided an unassailable foundation for their theory.
- Her unassailable confidence in her skills made her a natural leader in the project.
- Despite numerous challenges, his stance on the issue remained unassailable and firmly held.
- The fort’s design was considered unassailable, with its defenses surpassing modern standards.