Antonym of AMPLIFY

mummify
shock
curtail
embalm

The correct answer is C. curtail.

To amplify

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is to make something larger or louder. To curtail is to make something smaller or shorter.

A. mummify is to preserve a dead body by wrapping it in bandages.
B. shock is a sudden and severe disturbance of the physical or mental system.
D. embalm is to preserve a dead body by treating it with chemicals.

All of these words have different meanings than amplify. Mummify and embalm are both related to death, while shock is related to a sudden change in physical or mental state. Curtail is the only word that is related to making something smaller or shorter.