Select the option that can be used as a one-word substitute for the given group of words.

A quick, sudden movement

Flick

The word that can be used as a one-word substitute for the given group of words "a quick, sudden movement" is flick.

• Fleck is a small, insignificant spot.
• Dust is a fine, dry powder that is suspended in the air or settles on surfaces.
• Speck is a small, insignificant mark or spot.