simple past tense and past participle of key

(Internet slang, originally 4chan) Praiseworthy and admirable, often through exhibiting independence and security; based.

One of a string of small islands.

Indispensable, supremely important. / Important, salient.

Alternative form of quay.

An object designed to open and close a lock. / An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain their relative orientation.

(slang) Clipping of kilogram (especially of a recreational drug)

To fit (a lock) with a key. / To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them. / To mark or indicate with a symbol indicating membership in a class.

In the sociology of Erving Goffman, an action or utterance that signals the meaning of interaction to participants. / The input of text or data by means of a keyboard.

present participle of key