Definition of flatten. transitive verb. : to make flat: such as. a : to make level or smooth. b : to knock down also : to defeat decisively. c : to make dull or uninspired —often used with out. d : to make lusterless flatten paint. e : to stabilize especially at a lower level. intransitive verb.

Flatten: to make free from breaks, curves, or bumps. Synonyms: even, level, plane… Antonyms: rough, roughen… Find the right word.

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

to knock down or injure; prostrate. to crush or subdue failure will flatten his self-esteem. (tr) music to lower the pitch of (a note) by one chromatic semitoneUsual US word: flat. (intr foll by out) to manoeuvre an aircraft into horizontal flight, esp after a dive.

flatten definition: 1. to become level or cause something to become level: 2. to stop rising, falling, or changing so…. Learn more.

flatten. 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. You might flatten the batter in a cake pan before baking it, or flatten the grass along a path through a field.

FLATTEN meaning: 1 : to make (something) flat or flatter; 2 : to become flat or flatter

Princeton's WordNet (0.00 / 0 votes) Rate this definition: flatten verb make flat or flatter "flatten a road"; "flatten your stomach with these exercises" flatten, flatten out verb become flat or flatter "The landscape flattened" flatten, drop verb lower the pitch of (musical notes)

Mar 21, 2011 · flatten. to crush an object down from a greater size to a smaller one. to make roadkill of a person while playing an FPS such as halo or battlefield. the cardboard box was …

Find 43 ways to say FLATTEN, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus.