1. made flat or level; pressed down or crushed

1. past tense and past participle of flatten; made something flat or level

Examples

• The cardboard box was completely flattened under the heavy books.
• She flattened the dough with a rolling pin.
• The tornado flattened several buildings in the town.
• His hair was flattened against his head from wearing the hat.
• The mechanic flattened the metal sheet with a hammer.
• The grass was flattened where the deer had been sleeping.
• They flattened the hill to build the new shopping center.