0 Someone's ex is a person who was their wife, husband, or partner in the past: --
Is she still in touch with her ex?
1 used to show that someone is no longer what they were: --
ex-prisoners
ex-policemen
my ex-husband
my ex-girlfriend
2 someone you are no longer married to --
3 used to show that someone is no longer in the situation or condition the person had been in; former : --
The governor of Minnesota is an ex-wrestler.
4 not including a particular amount: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.