First Known Use: 15th century
Dictionary
impregnable
adjective im·preg·na·ble \im-ˈpreg-nə-bəl\
: not able to be captured by attack : very strong
: not likely to be weakened or changed
Full Definition of IMPREGNABLE
1
: incapable of being taken by assault : unconquerable <an impregnable fortress>
2
: unassailable; also : impenetrable <impregnable walls>
— im·preg·na·bil·i·ty \(ˌ)im-ˌpreg-nə-ˈbi-lə-tē\ noun
— im·preg·na·ble·ness \im-ˈpreg-nə-bəl-nəs\ noun
— im·preg·na·bly \-blē\ adverb
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Origin of IMPREGNABLE
Middle English imprenable, from Middle French, from in- + prenable vulnerable to capture, from prendre to take — more at prize
Related to IMPREGNABLE
- Synonyms
- bulletproof, invincible, indomitable, insuperable, insurmountable, invulnerable, unbeatable, unconquerable, unstoppable
- Antonyms
- superable, surmountable, vincible, vulnerable
IMPREGNABLE Defined for Kids
impregnable
adjective im·preg·na·ble \im-ˈpreg-nə-bəl\
Definition of IMPREGNABLE for Kids
: not able to be captured by attack : unconquerable
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