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v. To make flat or flatter.

v. To knock down; lay low: The boxer was flattened with one punch.

verb-intransitive. To become flat or flatter.

v. To make something flat or flatter.

v. To press one's body tightly against a surface, such as a wall or floor, especially in order to avoid being seen or harmed.

v. To knock down or lay low.

v. To become flat or flatter.

v. To be knocked down or laid low.

v. To lower by a semitone.

v. To reduce to an even surface or one approaching evenness; to make flat; to level; to make plane.

v. To throw down; to bring to the ground; to prostrate; hence, to depress; to deject; to dispirit.

v. To make vapid or insipid; to render stale.

v. To lower the pitch of; to cause to sound less sharp; to let fall from the pitch.

verb-intransitive. To become or grow flat, even, depressed, dull, vapid, spiritless, or depressed below pitch.

To make flat; reduce to an equal or even surface; level.

To lay flat; bring to the ground; prostrate.

To make vapid or insipid; render stale.

In music, same as flat, 4.

To deaden or deprive of luster, as a pigment; bring to a smooth surface or even tint, without relief or gradation.

In optics, to free from curvature or distortion, as the lines of an image projected by a lens.

To become flat; grow or become even on the surface.

To become stale, vapid, or tasteless.

In music, same as flat, 3.

Flat; foolish.

v. lower the pitch of (musical notes)

v. make flat or flatter

v. become flat or flatter

"Even in composing arrays, you need to first compose it the way you would in perl and then call the flatten method on that list in order to make it what you want."

flattened    flattening    flattens   

change    modify    alter   

to flatten a sail   

prostrate    deject    dispirit    flat    smooth    level    lower    fell    depress    abate   

Batten    Catton    Grattan    Latin    Manhattan    Paton    Patton    baton    batten    batton   

dysregulation    supervention    preheater    goaltending    hydrophobicity    nucleophilicity    rhombic    widen    transitivity    unwaxed