ruin
verb [ T ]
uk/ˈruːɪn/ usto spoil something severely or destroy it:
Huge modern hotels are ruining this once unspoilt coastline.
His frequent lateness has ruined his chances for a promotion.
to cause a person or company to lose all their money or their reputation:
Cheap imported goods are ruining many businesses.
If there's a scandal, I'll be ruined!
ruin
noun
uk/ˈruːɪn/ us [ U ]
the loss of all your money, your business, or your reputation:
Many workers are one health catastrophe away from financial ruin.
the brink/edge/verge of ruin
be/lie in ruins
a place, building, etc. that is in ruins has been extremely badly damaged:
The showroom was in ruins after the flood.
to have failed or got into an extremely bad state:
The economy was in ruins after the war.
He lied about the company's finances, and now his career is in ruins.