godan verb (-su), transitive verb
crush to death; press to death; squeeze to death
Literal physical sense: killing by applying heavy pressure or weight.
崩れた建物の下敷きになって、多くの人が押し殺された。
Many people were crushed to death under the collapsed building.
godan verb (-su), transitive verb
Figurative use: forcefully holding back an emotion, laugh, voice, or breath. Common with 笑い, 怒り, 声, 息.
彼は笑いを押し殺して、真面目な顔をした。
He stifled his laugh and put on a serious face.
彼女は怒りを押し殺しながら、冷静に話した。
She spoke calmly while suppressing her anger.