Flatten | Mean of flatten in English Dictionary

/ˈflætn̩/

• Verb
• to make (something) flat or flatter
1. He opened the map and flattened it (out) against the tabletop.
2. He flattened himself against the wall. [=he pressed himself against the wall so that he was as close to it as possible]
• to become flat or flatter
1. The dough flattened smoothly/easily.
2. The land flattens (out) as you approach the coast.
• to knock down (something or someone)
1. Dozens of houses were flattened by the tornado.
2. The boxer was flattened in the seventh round.

• to defeat (a competitor) easily or completely
1. The team got flattened in the first round of the play-offs.
• to go to and stay at a lower level
1. Prices are expected to flatten after the holiday shopping season.
2. Student performance flattened out after the second month of the school year.