'Impregnable' definitions:
Definition of 'impregnable'
(from WordNet)
adjective
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]
adjective
Capable of conceiving [syn: conceptive, impregnable]
adjective
Incapable of being overcome, challenged or refuted; "an impregnable argument"; "impregnable self-confidence" [syn: impregnable, inexpugnable]
Definition of 'Impregnable'
From: GCIDE
- Impregnable \Im*preg"na*ble\, a. [F. imprenable; pref. im- not + prenable pregnable, fr. prendre to take, L. prehendere. See Comprehend, Get to obtain.] Not to be stormed, or taken by assault; incapable of being subdued; able to resist attack; unconquerable; as, an impregnable fortress; impregnable virtue. [1913 Webster]
- The man's affection remains wholly unconcerned and impregnable. --South. -- {Im*preg"na*ble*ness}, n. -- {Im*preg"na*bly}, adv. [1913 Webster]
Definition of 'Impregnable'
From: GCIDE
- Impregnable \Im*preg"na*ble\, a. [See Impregnate.] (Biol.) Capable of being impregnated, as the egg of an animal, or the ovule of a plant. [1913 Webster]
Synonyms of 'impregnable'
From: Moby Thesaurus
- deathless,
- defended,
- guarded,
- immortal,
- impenetrable,
- imperishable,
- incontestable,
- incorruptible,
- indelible,
- indestructible,
- indomitable,
- ineffaceable,
- ineradicable,
- inexpugnable,
- inextinguishable,
- insuperable,
- invincible,
- inviolable,
- invulnerable,
- irresistible,
- mighty,
- nonperishable,
- overpowering,
- overwhelming,
- protected,
- quenchless,
- resistless,
- safe,
- safeguarded,
- secure,
- shielded,
- unassailable,
- unbeatable,
- unconquerable,
- undampable,
- undefeatable,
- undestroyable,
- undying,
- unquenchable,
- unsubduable,
- unsurmountable,
- unyielding