Other forms: ruined; ruins; ruining
To ruin means to wreck or destroy. If you're wearing a long dress, make sure your clumsy brother stays away from you. If he steps on it, it'll rip and be ruined.
Bad news always ruins your day and a guest's bad behavior can really ruin a party and all your fun! Be careful when adding salt to your food — too much will ruin it. Often you will see ruin used as a noun that means the state of ruin, the action that causes it or the destruction itself. If you are a ruin of your former self, you're in pretty bad shape. Use ruins for the remains of old castles and Roman structures.
Close your vocabulary gaps with personalized learning that focuses on teaching the words you need to know.