Synonyms for impregnable

Synonyms for (adj) impregnable

Synonyms: inexpugnable, impregnable

Definition: incapable of being overcome, challenged or refuted

Usage: an impregnable argument; impregnable self-confidence

Similar words: unconquerable

Definition: not capable of being conquered or vanquished or overcome

Usage: a tribute to his courage...and his unconquerable will- R.E.Danielson; faced unconquerable difficulties

Synonyms: conceptive, impregnable

Definition: capable of conceiving

Similar words: fertile

Definition: capable of reproducing

Synonyms: inviolable, impregnable, unassailable, unattackable, strong, secure

Definition: immune to attack; incapable of being tampered with

Usage: an impregnable fortress; fortifications that made the frontier inviolable; a secure telephone connection

Similar words: invulnerable

Definition: immune to attack; impregnable

Usage: gunners raked the beach from invulnerable positions on the cliffs

Visual thesaurus for impregnable