godan verb (-su), transitive verb
stub out; crush out; smother (a fire)
Literally to extinguish by rubbing or crumpling, as with a cigarette or a small flame.
彼は灰皿にタバコをもみ消した。
He stubbed out his cigarette in the ashtray.
火のついたマッチをもみ消す。
Crush out a lit match.
godan verb (-su), transitive verb
Figurative use: to suppress or cover up a scandal, rumor, or inconvenient truth, often by applying pressure or manipulation.
会社は不祥事をもみ消そうとした。
The company tried to hush up the scandal.
彼はその噂をもみ消すために金を払った。
He paid money to suppress the rumor.