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Definition of unbreachable
unbreachable
/ʌnˈbriːtʃəbəl/
un · breach · a · ble
unbreachable Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Rare
Syllables
4
unbreachable Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Impossible to break through, penetrate, or overcome physically or digitally.
Example
"The ancient castle was surrounded by high, unbreachable stone walls."
2
Incapable of being violated, broken, or infringed upon (especially of a rule, contract, or trust).
Example
"Confidentiality between a doctor and a patient is considered an unbreachable ethical duty."
Synonyms
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View all antonyms for unbreachable• Rhymes for unbreachable
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Cite this Entry
Wordmom. (2026). Definition of Unbreachable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unbreachable