(sports) A ball game played by individuals competing against one another in which the object is to hit a ball into each of a series of (usually 18 or nine) holes in the minimum number of strokes.

(international standards) Alternative letter-case form of Golf from the NATO/ICAO Phonetic Alphabet.

(intransitive) To play the game of golf.

(computing) To write something in as few characters as possible (e.g. in code golf, regex golf)