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    speed

    speed - Dictionary definition and meaning for word speed

    Definition
    (noun) distance travelled per unit time
    Synonyms : velocity
    Definition
    (noun) a rate (usually rapid) at which something happens
    Synonyms : fastness , swiftness
    Example Sentence
    • the project advanced with gratifying speed
    Definition
    (noun) changing location rapidly
    Synonyms : hurrying , speeding
    Definition
    (noun) the ratio of the focal length to the diameter of a (camera) lens system Definition
    (noun) a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
    Synonyms : amphetamine , pep pill , upper
    Definition
    (verb) move fast
    Example Sentence
    • He rushed down the hall to receive his guests
    • The cars raced down the street
    Definition
    (verb) move faster
    Synonyms : accelerate , quicken , speed up
    Example Sentence
    • The car accelerated
    Definition
    (verb) move very fast
    Synonyms : hurry , travel rapidly , zip
    Example Sentence
    • The runner zipped past us at breakneck speed
    Definition
    (verb) travel at an excessive or illegal velocity
    Example Sentence
    • I got a ticket for speeding
    Definition
    (verb) cause to move faster
    Synonyms : accelerate , speed up
    Example Sentence
    • He accelerated the car
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