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flatten

1 ENTRIES FOUND:
flatten /ˈflætn̩/ verb
flattens; flattened; flattening
flatten
/ˈflætn̩/
verb
flattens; flattened; flattening
Britannica Dictionary definition of FLATTEN
[+ object] : to make (something) flat or flatter
[no object] : to become flat or flatter
[+ object]
: to knock down (something or someone)
informal : to defeat (a competitor) easily or completely
[no object] : to go to and stay at a lower level
often + out