Search Result for "unassailable": 
Wordnet 3.0

ADJECTIVE (3)

1. immune to attack; incapable of being tampered with;
- Example: "an impregnable fortress"
- Example: "fortifications that made the frontier inviolable"
- Example: "a secure telephone connection"
[syn: impregnable, inviolable, secure, strong, unassailable, unattackable]

2. impossible to assail;
[syn: unassailable, untouchable]

3. without flaws or loopholes;
- Example: "an ironclad contract"
- Example: "a watertight alibi"
- Example: "a bulletproof argument"
[syn: unassailable, unshakable, watertight, bulletproof]


The Collaborative International Dictionary of English v.0.48:

Unassailable \Unassailable\ See assailable.
WordNet (r) 3.0 (2006):

unassailable adj 1: immune to attack; incapable of being tampered with; "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection" [syn: impregnable, inviolable, secure, strong, unassailable, unattackable] 2: impossible to assail [syn: unassailable, untouchable] 3: without flaws or loopholes; "an ironclad contract"; "a watertight alibi"; "a bulletproof argument" [syn: unassailable, unshakable, watertight, bulletproof]
Moby Thesaurus II by Grady Ward, 1.0:

18 Moby Thesaurus words for "unassailable": impenetrable, impregnable, incontestable, indomitable, inexpugnable, insuperable, invincible, inviolable, invulnerable, irresistible, overpowering, overwhelming, resistless, unbeatable, unconquerable, unsubduable, unsurmountable, unyielding