- key
- I UK [kiː] / US [kɪ]
noun [countable]
Word forms "key":
singular key plural keys
***
1) a small piece of metal used for opening or locking a door or a container, or for starting the engine of a vehicleI could hear someone turning the key in the lock.
a bunch of keys
key to:house/car keys
Where's the key to the back door?
2) [usually singular] the thing that will do most to help you to achieve somethingkey to:Proper planning is the key to success.
The key to our strength lies in our members.
3)a) one of the parts that you press on a keyboard to make it produce letters, numbers etcHighlight the file you want and press the RETURN key.
b) one of the parts that you press on a musical instrument to make it produce soundspiano keys
4) music a set of musical notes that are based on one particular notea major/minor key
in the key of D sharp
5)a) a list of signs and their meanings, for example a list of the signs that are used on a map, drawing etcb) a list of answers to the questions in a test or in a book•See:lock II
II UK [kiː] / US [kɪ] adjective [usually before noun] ***
very importantForeign policy had been a key issue in the campaign.
This economic model has the following key features.
key to:South Africa lost two key players through injury.
Women farmers are key to China's economic development.
•
Collocations:
Nouns frequently used with key
▪ element, factor, feature, figure, issue, point, role, word
III UK [kiː] / US [kɪ] verb [transitive]
Word forms "key":
present tense I/you/we/they key he/she/it keys present participle keying past tense keyed past participle keyedkey or key in to put information into a computer or other electronic machine using keys or a keyboardPhrasal verbs:The data will need to be keyed immediately.
- key in- key to
English dictionary. 2014.