Reverse Dictionary: FLATTEN

ADJECTIVES
► BEAT-DOWN that has been beaten down, flattened; said especially of grass or other plants → 1837
► FLATTED flattened; beaten or pressed out flat → 1578
► PADDLED flattened, trampled down → 1805 Sc. & Eng. dial.
► PLANULAR having a flattened form → 1858
► PLATEAUED flattened or levelled → 1899
► SQUASHY having a squashed or flattened look → 1895
► WAPSED DOWN flattened → 1927 Amer. dial.

VERBS
► BAT to flatten, to press down, to compress → 1898 Eng. dial. (Bk.)
► CLAP to strike with a flat surface, so as to flatten or smooth → 1550
► COMPLANATE to make plane or level, to flatten → 1643 obs.
► PANCAKE to flatten or squeeze flat → 1879
► PANK to flatten, to pack or tamp down; to crush; often said of sand, snow, hair, etc. → 1937 Amer. dial.
► PLATTEN to make flat, to flatten → 1688 obs.
► QUAT to flatten, to beat or press down; to squash, to extinguish → c1400-50 obs. exc. Eng. dial. 
► SLEEK to flatten, to lay back → 1894
► SLET to flatten, to lay flat → 1225 obs.
► TO-SQUAT to flatten, to crush, to squash → 1325 obs.
► WALLOW DOWN to flatten grass, snow, etc. by or as if by rolling or trampling; to push something over by leaning on it → 1888 Amer. dial.
► YAVAL to flatten to the ground, to lay low, to knock down, to fell → 1825 Sc.
► YOLL to flatten to the ground, to lay low, to knock down, to fell → 1825 Sc.