Dictionary Definition
unassailable adj
1 able to withstand attack; "an impregnable
fortress"; "fortifications that made the frontier inviolable" [syn:
impregnable,
inviolable, secure, strong, unattackable]
2 impossible to assail [syn: untouchable]
3 without flaws or loopholes; "an ironclad
contract"; "a watertight alibi"; "a bulletproof argument" [syn:
ironclad, unshakable, watertight, bulletproof]
User Contributed Dictionary
English
Adjective
- secure against attack; impregnable
- In the context of "by extension": undeniable, incontestable or incontravertible