might-have-been

might-have-been |ˈmaɪd əv ˌbɪn | ▶noun informal a past possibility that no longer applies: fretting about might-have-beens won't get us anywhere.

might-have-been

might-have-been ▶noun informal an event or situation that could have happened or existed but did not.

might-have-been

m í ght-have-b è en 名詞 C ｟くだけて ｠出世しそこなった人 ; 〖通例the ～s 〗願っていたが叶 （かな ）わなかったこと, 過ぎてしまった可能性, 空頼みごと .