HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › master key
Back to search

master key

Noun CEFR B2

Definitions

  1. A key designed to open a set of several locks; a passkey.
  2. Any tool or technique that can solve many types of difficulty.
    figuratively
  3. A shotgun shell designed for breaching doors.
    slang

Equivalents

9 more languages
Ελληνικάαντικλείδι
Suomiyleisavain
Bahasa Indonesiakunci indukpasse-partout
日本語あいす親鍵
Македонскикалауз
Nederlandslopermoedersleutel
Portuguêschave mestra
Svenskahuvudnyckel
Tagalogliyabe-maestra

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

master mariner master of all one surveys Master of Arts master of ceremonies master of game master of one's time

Learn this word in context

See master key used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free