Words · Very common
key
/ki/ · 3 letters · 3 distinct letters
- noun
metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
- adjective
serving as an essential component
a cardinal rule
- noun
something crucial for explaining
the key to development is economic integration
- noun
pitch of the voice
he spoke in a low key
- noun
any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music