Synonyms for

Similarity of adj impregnable

3 senses of impregnable

Sense 1:
impregnable, inviolable, secure, strong, unassailable, unattackable
invulnerable (vs. vulnerable)
Sense 2:
conceptive, impregnable
fertile (vs. sterile)
Sense 3:
impregnable, inexpugnable
unconquerable (vs. conquerable) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
Classroom | Privacy Policy | Terms | Ad Choices