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Verb: flatten  flat(u)n
  1. Make flat or flatter
    "flatten a road"; "flatten your stomach with these exercises"
     
  2. Become flat or flatter
    "The landscape flattened"
    - flatten out
     
  3. Lower the pitch of (musical notes)
    - drop

Derived forms: flattens, flattening, flattened

Type of: alter, change, change form, change shape, deform, form, modify, shape

Antonym: sharpen

Nearest

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