To flatten means to make or become flat or flatter. This often involves pressing something down to reduce its height or thickness, spreading it out over a wider area, or leveling a surface.
Figuratively, it can also mean to defeat or overcome someone completely, reducing their power or importance, or to make something less exciting, impactful, or varied.
It suggests a loss of dimension, either physical or metaphorical. .
DECK RAZE IRON DROP
LEVEL SMUSH CRUSH GRADE
LAYLOW STEPON SQUASH
PANCAKE TRAMPLE
BULLDOZE KNOCKOUT
FLATTENOUT COMPRESSED
STEAMROLLER