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'fast' in a sentence

Learn how to use 'fast' with 20 example sentences.


fast adjective

: (of surfaces) conducive to rapid speeds

: resistant to destruction or fading

: unrestrained by convention or morality

: hurried and brief

: securely fixed in place

: unwavering in devotion to friend or vow or cause

: (of a photographic lens or emulsion) causing a shortening of exposure time

: acting or moving or capable of acting or moving quickly

: (used of timepieces) indicating a time ahead of or later than the correct time

: at a rapid tempo

fast noun

: abstaining from food

fast adverb

: quickly or rapidly (often used as a combining form)

: firmly or closely

fast verb

: abstain from certain foods, as for religious or medical reasons

: abstain from eating


  • Don't drive too fast.
  • He didn't run fast enough to catch the train.
  • Salt makes ice melt faster.
  • The clock in the classroom is three minutes fast.
  • The children are growing up really fast.
  • Why are you walking so fast?
  • Things are changing so fast it scares me.
  • A study showed that eating too fast contributes to obesity.
  • I ran as fast as possible.
  • My brother speaks very fast.
  • My car is faster than yours.
  • What's the fastest way to get to the airport?
  • My watch is five minutes fast.
  • This fighter jet is one of Russia's fastest weapons.
  • Run fast, or you will be late for school.
  • How fast can you read?
  • Please don't speak so fast.
  • She did that very fast, didn't she?
  • I want to learn languages faster.
  • That is the fastest train in the world.
  • Words related to 'fast'


    Words near 'fast' in the dictionary