Antonym of AMPLIFY

Answer: Option C

Amplify : increase the volume of (sound), especially using an amplifier.
Mummify : (especially in ancient Egypt) preserve (a body) by embalming and wrapping it in cloth.
Shock : a sudden upsetting or surprising event or experience.
Curtail : reduce in extent or quantity; impose a restriction on.
Embalm : preserve (a corpse) from decay, originally with spices and now usually by arterial injection of a preservative.

Antonym of Amplify is Curtail