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fast

/fɑːst/

noun

Meaning

  • A train that calls at only some stations it passes between its origin and destination, typically just the principal stations

Synonyms

express,
express train

adjective

Meaning

  • Firmly or securely fixed in place; stable.

    "That rope is dangerously loose. Make it fast!"

  • Firm against attack; fortified by nature or art; impregnable; strong.

  • (of people) Steadfast, with unwavering feeling. (Now mostly in set phrases like fast friend(s).)

  • Moving with great speed, or capable of doing so; swift, rapid.

    "I am going to buy a fast car."

  • Causing unusual rapidity of play or action.

    "a fast billiard table"

  • (of a piece of hardware) Able to transfer data in a short period of time.

  • Deep or sound (of sleep); fast asleep (of people).

  • (of dyes or colours) Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent.

    "All the washing has come out pink. That red tee-shirt was not fast."

  • Tenacious; retentive.

  • Having an extravagant lifestyle or immoral habits.

    "a fast woman"

  • Ahead of the correct time or schedule.

    "There must be something wrong with the hall clock. It is always fast."

  • (of photographic film) More sensitive to light than average.

Synonyms

quick,
rapid,
speedy,
swift,
easy,
slutty,
ahead,
colour-fast,
deep,
sound,
firm,
immobile,
secure,
stable,
stuck,
tight,
fortified,
impenetrable,
quick,
rapid,
speedy

adverb

Meaning

  • In a firm or secure manner, securely; in such a way as not to be moved; safe, sound .

    "Hold this rope as fast as you can."

  • (of sleeping) Deeply or soundly .

    "He is fast asleep."

  • Immediately following in place or time; close, very near .

    "Fast by the sturdy batsman the ball unheeded sped. / That ain't my style, said Casey. Strike one, the umpire said."

  • Quickly, with great speed; within a short time .

    "Do it as fast as you can."

  • Ahead of the correct time or schedule.

    "I think my watch is running fast."

Synonyms

ahead,
deeply,
firmly,
securely,
tightly,
quickly,
rapidly,
speedily,
swiftly

interjection

Meaning

  • Short for "stand fast", a warning not to pass between the arrow and the target