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.

(transitive) To put (someone) into (a particular state, emotion etc.). / (intransitive) To cohere with; to accord with, to be in keeping with.

(transitive) to enter data by keyboarding

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

simple past tense and past participle of key

present participle of key

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.

A surname.

plural of keying

(figuratively) In harmony, accord, or sympathy (with); congruent.