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Definition

fast to act or react

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Origins

From sports races, where the mark in this case is the point from which the racers start.

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Opposite In Meaning

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Related Idioms

s

slow off the mark

slow to act or react

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quick study

One who is capable of learning at a fast pace; a fast learner.

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quick on the uptake

Able to readily understand things; aware and intelligent.

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quick study

One who is capable of learning at a fast pace; a fast learner.

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quick as a flash

Extremely quickly.

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quick on one's feet

sharp-witted.
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