Ex

• n.
  • a man who was formerly a certain woman's husband

    同义词： ex-husband

  • a woman who was formerly a particular man's wife

    "all his exes live in Texas"

    同义词： exwife

  • the 24th letter of the Roman alphabet

    同义词： X letter x

• adj. out of fashion

  同义词： antique demode old-fashioned old-hat(p) outmoded passe passee

以上来源于: WordNet