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im·preg·na·ble1
 impregnable1
- pronunciation:
- ihm
preg
n
bl
| part of speech: |
adjective |
| definition 1: |
able to withstand any attack, as a fortress.
The highly fortified castle was thought to be impregnable.- synonyms:
- indestructible, inviolable, invulnerable, tenable, unassailable
- antonyms:
- vulnerable
- similar words:
- imperishable, insurmountable, invincible, secure, solid, staunch, unconquerable
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| definition 2: |
absolutely secure, as a point or position in a debate.
- synonyms:
- incontestable, indisputable, invulnerable, irrefutable, unconquerable
- antonyms:
- shaky, vulnerable
- similar words:
- absolute, certain, indomitable, invincible, undeniable, unquestionable
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| related words: |
proof, safe, tenable |
| derivations: |
impregnably (adv.), impregnability (n.) |
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