замирать

die (fig); evanish (о звуках и т.п.); be rooted to the spot (tannin); stop; die out; be stockstill; fade (о звуках); die away (о звуке); die down (о звуке); swoon (о звуке); tail away; trail off (о звуке); be transfixed; die off; trail away (о звуке); freeze (tannin); stand motionless (Anglophile); be paralyzed (Andrey Truhachev); skip a beat (о сердце driven); pause (He pauses at the sight of the port. Abysslooker); grow quiet (As the countdown began, the audience grew quiet with excitement. Abysslooker); go still (My heart went still; I couldn't breathe. And then my heart restarted, thudding hard. • And then it went still. No movement. No hum. Just silence. The shapes in the sky were gone too. As if they'd never been there. Abysslooker); still (I stilled when I saw a woman on the couch. Diana. She's here. • There came a shout from behind me. I stilled. Abysslooker)

Gruzovik

become apathetic (impf of замереть); become unconcerned (impf of замереть); stand still (impf of замереть)

acoust.

fade (о звуке)

fig.

come to a standstill; of a sound die down; of one's heart sink; of one's voice falter

geol.

fade out

Gruzovik, acoust.

fade away (impf of замереть)

fade (о сигнале)

Makarov.