What does fast mean?

Looking for the meaning or definition of the word fast? Here's what it means.

Adjective (dated) Firmly or securely fixed in place; stable. [from 9th c.] Firm against attack; fortified by nature or art; impregnable; strong. (of people) Steadfast, with unwavering feeling. (Now only in set phrases like "fast friend".) [from 10th c.] Moving with great speed, or capable of doing so; swift, rapid. [from 14th c.] Causing unusual rapidity of play or action. (computing) Able to transfer data in a short period of time. Deep or sound (of sleep); fast asleep (of people). [16th-19th c.] (of dyes or colours) Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent. [from 17th c.] (obsolete) Tenacious; retentive. (colloquial) Having an extravagant lifestyle or immoral habits. [from 18th c.] Ahead of the correct time or schedule. [from 19th c.] (of photographic film) More sensitive to light than average. [from 20th c.] Adverb In a firm or secure manner, securely; in such a way as not to be moved [from 10th c.]. (of sleeping) Deeply or soundly [from 13th c.]. Immediately following in place or time; close, very near [from 13th c.]. Quickly, with great speed; within a short time [from 13th c.]. Ahead of the correct time or schedule. Noun (Britain, rail transport) A train that calls at only some stations it passes between its origin and destination, typically just the principal stations Interjection (archery) Short for "stand fast", a warning not to pass between the arrow and the target Verb (intransitive) To restrict one’s personal consumption, generally of food, but sometimes other things, in various manners (totally, temporally, by avoiding particular items), often for religious or medical reasons. Noun The act or practice of abstaining from food or of eating very little food. The period of time during which one abstains from or eats very little food. Find more words! 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What is the opposite of fast? Sentences with the word fast Words that rhyme with fast What is the past tense of fast? What is the plural of fast? What is the adverb for fast? What is the adjective for fast? What is the noun for fast? Translations for fast Nearby Definitions Fasslers Fassler Fassetts Fassett Fassbenders Fassbender Fast FAST fast-acting fast and furious fast asleep fastback 4-letter Words Starting With f fa fas