ruiner
nounUK /ˈruː.ɪn.ər/
US /ˈruː.ɪn.ɚ/
A person or thing that breaks or spoils something.
The heavy rain was a ruiner of our picnic.
RELATED WORDS
OTHER MEANINGS
2. Someone who causes another person's plans or hopes to fail.
He felt like a ruiner when he forgot her birthday.
3. A thing that damages the quality or value of something.
That one mistake was a ruiner of the whole project.
4. A person who brings financial ruin to a business or family.
The dishonest manager was the ruiner of the small shop.