Meaning of master key | Babel Free
Definitions
- A key designed to open a set of several locks; a passkey.
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Any tool or technique that can solve many types of difficulty. figuratively
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A shotgun shell designed for breaching doors. slang
Equivalents
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.