noun, slang ·Moderate ·College level

Definitions

Noun

1. 1
   A key designed to open a set of several locks; a passkey.
2. 2
   key that secures entrance everywhere wordnet
3. 3
   Any tool or technique that can solve many types of difficulty. figuratively
4. 4
   A shotgun shell designed for breaching doors. slang

Synonyms

All synonyms

corkscrewkeymasteropen sesameopenerpasse-partout