Fast vs quickly

Both 'fast' and 'quickly' are correct, but they are used in different contexts. 'Fast' is an adjective that describes speed, while 'quickly' is an adverb that describes how an action is done. So, 'fast' is used to describe objects or people that move with great speed, while 'quickly' is used to describe how an action is performed.

Last updated: March 31, 2024

Fast

The word 'fast' is a correct adjective used to describe speed.

Use 'fast' when you want to describe the speed of an object or person. For example, 'He is a fast runner.'

Examples:

She drives very fast.
The cheetah is the fastest land animal.
He types fast on the keyboard.
The car accelerated fast.
The train moves fast.

Alternatives:

speedy
quick
rapid
swift
brisk

quickly

The word 'quickly' is a correct adverb used to describe how an action is done.

Use 'quickly' when you want to describe the speed of an action. For example, 'She finished her homework quickly.'

Examples:

He completed the race quickly.
She answered the question quickly.
The chef cooked the meal quickly.
He solved the puzzle quickly.
She packed her bags quickly.

Alternatives:

speedily
rapidly
swiftly
promptly
expeditiously

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Fast vs quickly

Fast

quickly

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