definition of
ex

[1] #1 ex n. [ex-husband] a man who was formerly a certain woman's husband. wn

[2] #2 ex s. [antique, demode, old-fashioned, old-hat, outmoded, passe, passee] out of fashion; "a suit of rather antique appearance"; "demode (or outmoded) attire"; "outmoded ideas". wn

[3] #3 ex n. [ex-wife] a woman who was formerly a particular man's wife; "all his exes live in Texas". wn

[4] #4 ex n. [X, x] the 24th letter of the Roman alphabet. wn