Fast



GRE 蓝宝 考研

解释

GRE 红宝书

• n. 绝食, 斋戒 adv. 很快地, 紧紧地
• ［类］ fast : eat / respite : labor / moratorium : act ( 斋戒是暂时停止进餐 / 休息是暂时停止劳动 / 延迟是暂时停止行动) 反义词: loosely attach ( 宽松地连接)

Webster Collegiate

I. adjective

• Etymology: Middle English, from Old English f?st; akin to Old High German festi firm, Old Norse fastr, Armenian hast
• Date: before 12th century
• 1.
  • a. firmly fixed <roots fast in the ground>
  • b. tightly shut <the drawers were fast>
  • c. adhering firmly
  • d. not easily freed ; stuck <a ball fast in the mouth of the cannon>
  • e. stable <movable items were made fast to the deck>
• 2. firmly loyal <became fast friends>
• 3.
  • a. characterized by quick motion, operation, or effect:
    • (1) moving or able to move rapidly ; swift
    • (2) taking a comparatively short time
    • (3) imparting quickness of motion <a fast bowler>
    • (4) accomplished quickly
    • (5) agile of mind; especially quick to learn <a class for fast students>
  • b. conducive to rapidity of play or action
  • c.
    • (1) of a timepiece or weighing device indicating in advance of what is correct
    • (2) according to or being daylight saving time
  • d. contributing to a shortening of exposure time <fast film>
  • e. acquired with unusually little effort and often by shady or dishonest methods <had a keen eye for a fast buck — R. A. Keith>
• 4.
  • a. securely attached <a rope fast to the wharf>
  • b. tenacious <a fast hold on her purse>
• 5.
  • a. archaic sound asleep
  • b. of sleep not easily disturbed
• 6. not fading or changing color readily
• 7.
  • a. wild <a pretty fast crowd>
  • b. sexually promiscuous
• 8. resistant to change (as from destructive action or fading) <fast dyes> — often used in combination<sunfast><acid-fast bacteria>
• Synonyms:
  • fast, rapid, swift, fleet, quick, speedy, hasty, expeditious mean moving, proc

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