English vocabulary · C1
Unassailable
/ˌʌnəˈseɪləbəl/ · adj.
It means too strong to attack or question. Nothing can ever defeat it.
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Example sentences
- No one could shake her unassailable case.
- The champion's lead grew unassailable.
Word origin and roots
from Old English
- un — not (from Old English)
- assail — attack (from Old English)
Synonyms and nuances
- AIRTIGHT — with no weak point (So Solid It Cannot Be Broken)
- SOUND — valid and reasonable (Well Reasoned And Correct)
- SOLID — firm and strong (Strong And Well Supported)
Words with the same root
assail — attack
- assault — a violent attack
- assailant — a person who attacks
Lesson notes
Unassailable. It means too strong to attack or question. Nothing can ever defeat it.
Related: airtight, sound, solid. Use Unassailable when no one can prove it wrong.
No one could shake her unassailable case. The champion's lead grew unassailable.
Un- means not. Assail- means attack. No one can ever attack this, for it stands unassailable.