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Definition of unbreakable
unbreakable
/ˌʌnˈbreɪkəbəl/
un · break · a · ble
Adverb:unbreakably
unbreakable Lexical Profile
CEFR
B1
Grade
5
Tier
2
Usage
Top 10k
Syllables
4
unbreakable Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Not liable to break, shatter, or be damaged easily.
Example
"The laboratory switched to unbreakable polycarbonate beakers to prevent accidents during student experiments."
2
Impossible to sever, violate, or overcome, such as a bond, rule, record, or encrypted code.
Example
"Years of shared hardship forged an unbreakable bond of trust between the two research partners."
Synonyms
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Cite this Entry
Wordmom. (2026). Definition of Unbreakable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unbreakable