FLATTENED definition: 1. past simple and past participle of flatten 2. to become level or cause something to become…. Learn more.

The meaning of FLATTEN is to make flat. How to use flatten in a sentence.

flatten something These exercises will help to flatten your stomach. He flattened his hair down with gel. The bird is recognizable by its flattened beak. Roll the dough into balls and flatten …

1. To make flat or flatter. 2. To knock down; lay low: The boxer was flattened with one punch.

Jan 7, 2026 · flattened Add to list Definitions of flattened adjective having been flattened synonyms: planate planar, two-dimensional involving two dimensions

The dough flattened smoothly/easily. The land flattens (out) as you approach the coast.

to (cause to) become flat: [~ (+ out) + object] Flatten (out) the pizza dough with your hands. [~ (+ out)] They flattened (out) against the wall and strained to see who was coming.

If you flatten something or if it flattens, it becomes flat or flatter. He carefully flattened the wrappers and put them between the leaves of his book.

FLATTEN definition: to make flat. See examples of flatten used in a sentence.

When you flatten something, you crush it or level it out. If the recycling bin is getting full, you should probably flatten all those cans you're adding to it.