key noun - definition in the Business English Dictionary - Cambridge Dictionaries Online (US)

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “key”

See all translations

key

noun [C]
 
 
/kiː/
IT any of the set of moving parts that you press with your fingers on a computer, etc. to produce letters, numbers, or symbols: Press any key to continue.
GRAPHS & CHARTS a list of the symbols used in a map, chart, or book with explanations of what they mean: For an explanation of these symbols, see key below.
the key (to sth) the best or only way to achieve something: The key is to prioritize your work, and to keep to your schedule. Hard work is the key to success. A focus on training is often the key to unlocking potential.
→  See also Alt key , arrow key , control key , escape , hot key , scroll key , shift key
(Definition of key noun from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of key?
Add Cambridge dictionaries to your browser to your website

Definitions of “key” in other dictionaries

Word of the Day

kick off

the time when a game of football starts, or when it begins again after it has stopped because of a goal, etc.

Word of the Day

She’s got very good posture. (How we stand and sit)

by Liz Walter,
May 27, 2015
Recently on this blog, we looked at the words that we use to describe the way we move. This week we’re looking at words for describing our bodies when they are still, whether we are standing or sitting. Since most of us do far too much of this, let’s start with sitting.

Read More 

ancestral health noun

May 25, 2015
diet based on the presumed diet of our Palaeolithic ancestors ‘Ancestral health,’ to use a term popular among Paleo followers, has gone mass.

Read More