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/kiː/
Meaning & Definition
noun
A small metal instrument that is used to open or close a lock.
He took out his key and unlocked the door.
A solution or means of achieving a desired result.
Education is the key to success.
A significant or crucial piece of information or concept.
The report provided several keys to understanding the complex situation.
verb
To insert a key into a lock to operate it.
She keyed the lock to gain entry.
adjective
Of great importance or crucial.
The manager played a key role in the project’s success.
Etymology
From Old English 'cāg', of Germanic origin; related to Dutch 'key' and German 'Schlüssel'.
Common Phrases and Expressions
key player:
An important person in a situation.
key issue:
A primary concern or topic.
key to success:
An essential element required for achieving success.
key result area:
A specific area where results are important in a business context.
Related Words
Slang Meanings
Something that is essential or highly regarded.
That new policy is key for our growth.
To secure or control something tightly.
We need to key the project down to ensure success.