Associations to the word «Impregnable»

Wiktionary

IMPREGNABLE, adjective. (of a fortress, wall, etc., also used figuratively) Too strong to be penetrated.
IMPREGNABLE, adjective. Capable of being impregnated.

Dictionary definition

IMPREGNABLE, adjective. Immune to attack; incapable of being tampered with; "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection".
IMPREGNABLE, adjective. Capable of conceiving.
IMPREGNABLE, adjective. Incapable of being overcome, challenged or refuted; "an impregnable argument"; "impregnable self-confidence".

Wise words

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle