A1adjective1K

UK/["/fɑːst/"]/US/["/fæst/"]/

Meaning of Fast

In simple words: Moving or happening quickly.

Fast in a sentence

  • She runs very fast when she is late for school.
  • The car is too fast for beginners to drive safely.
  • You need to fasten your seatbelt while driving fast.
  • He is a fast learner and understands new concepts quickly.
  • The pizza delivery was fast, arriving within 20 minutes.

How to use Fast

Use 'fast' to describe speed, but be cautious when using it with 'to' (as in 'to fast', it means to not eat for a period of time). Appropriate in both written and spoken contexts.

Grammar pattern

standalone adjective

Memory hint

Think of a fast car racing on a track — speedy and thrilling!

Related words

Synonyms for Fast

Opposites of Fast

Common mistakes with Fast

  • 'Fast' is sometimes confused with 'quick' improperly.
  • Learners often forget that 'fast' can be used for both time and physical speed.
  • Some may incorrectly add 'ly' to make it an adverb (fastly).

Compare Fast with Quick, Rapid, Speedy, Hasty

Fast appears in

Fast in other languages

More words like Fast

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Frequently asked questions about Fast

What does Fast mean?

Moving or happening quickly.

What is the definition of Fast?

moving or able to move quickly

How do you use Fast in a sentence?

She runs very fast when she is late for school.

Can you give another example of Fast?

The car is too fast for beginners to drive safely.

What are synonyms for Fast?

Common alternatives include quick, rapid, swift, speedy, hasty.

What is the opposite of Fast?

Opposite meanings include slow.

What words go with Fast?

It commonly pairs with be, seem, extremely, fairly, very, be, seem, extremely, fairly, very.

What are common mistakes when using Fast?

'Fast' is sometimes confused with 'quick' improperly. Learners often forget that 'fast' can be used for both time and physical speed. Some may incorrectly add 'ly' to make it an adverb (fastly).

How do you pronounce Fast?

US: /["/fæst/"]/, UK: /["/fɑːst/"]/. Listen to the audio above to hear native pronunciation.

When should I use Fast?

Use 'fast' to describe speed, but be cautious when using it with 'to' (as in 'to fast', it means to not eat for a period of time). Appropriate in both written and spoken contexts.

What CEFR level is Fast?

"Fast" is at A1 level on the CEFR scale.