flatten


flatten
verb (flattened; flattening) Date: 1630 transitive verb to make flat: 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 (as paint) lusterless e. to stabilize especially at a lower level intransitive verb to become flat or flatter: as a. to become dull or spiritless b. to extend in or into a flat position or form c. to become uniform or stabilized often at a new lower level — usually used with outflattener noun

New Collegiate Dictionary. 2001.

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