English dictionary

impregnable

adjective

Audio pronunciation

Parts of speech

Definitions

adjective

  1. incapable of being overcome, challenged or refuted

adjective

  1. capable of conceiving

adjective

  1. immune to attack; incapable of being tampered with

Example sentences

an impregnable argument
impregnable self-confidence
an impregnable fortress
fortifications that made the frontier inviolable
a secure telephone connection

Synonyms

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