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. If your curly hair tends to get frizzy in humid weather, you may try to flatten it before you leave for school in the morning. You also might flatten yourself against a wall if you're hiding from your friend, or describe a terrible storm this way: "The tornado managed to flatten several buildings."

Definitions of flatten
  1. verb
    make flat or flatter
    flatten a road”
    flatten your stomach with these exercises”
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    steamroll, steamroller
    make level or flat with a steamroller
    split open and flatten for cooking
    roll, roll out
    flatten or spread with a roller
    press or beat (metals) into thin sheets
    roll steel ingots
    roll out (metal) with a rolling machine
    type of:
    form, shape
    give shape or form to
  2. verb
    become flat or flatter
    “The landscape flattened
    synonyms: flatten out
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    flatten on impact
    place between two surfaces and apply weight or pressure
    iron, iron out, press
    press and smooth with a heated iron
    press between rollers or plates so as to smooth, glaze, or thin into sheets
    type of:
    change form, change shape, deform
    assume a different shape or form
  3. verb
    lower the pitch of (musical notes)
    synonyms: drop
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    raise the pitch of (musical notes)
    type of:
    alter, change, modify
    cause to change; make different; cause a transformation
Word Family

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