Definitions

1. noun

A person or thing that ruins something; a cause of destruction or deterioration.

“The fire was a ruiner of the old wooden building.”

2. verb

To cause something to be ruined or destroyed; to spoil or deteriorate something.

“The storm ruined the crops.”

3. noun

A person or thing that has a detrimental effect on someone’s life or happiness.

“She’s the ruiner of his dreams.”

4. noun

A thing that causes someone to be ruined or destroyed, especially financially.

“The economic crisis was a major ruiner for many investors.”