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coercion; overpowering; overawing; daunting
彼の態度には威圧感があった。
His attitude had an overpowering presence.
威圧的な口調で話すのはやめてくれ。
Stop speaking in a coercive tone.
威圧されて本音を言えなかった。
I was intimidated and could not speak my mind.