Definition of keen:

part of speech: noun


part of speech: adjective

Eager; piercing; sharp.

part of speech: adjective

Sharp; eager; as keen interest; piercing; bitter; as, keen wind; acute.

part of speech: adjective

Eager: sharp, having a fine edge: piercing: acute of mind: penetrating.

Usage examples for keen:

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A long narrow hall, or place for walking; the upper seats of a theater, church, assembly room, etc.; the occupants of such parts of a building; a building, or room, used for the exhibition of works of art, etc.; a covered passage in a work for defense or for communication; a balcony. ...