speed


speed
n. & v.
—n.
1 rapidity of movement (with all speed; at full speed).
2 a rate of progress or motion over a distance in time (attains a high speed).
3 a a gear appropriate to a range of speeds of a bicycle. b US or archaic such a gear in a motor vehicle.
4 Photog. a the sensitivity of film to light. b the light-gathering power of a lens. c the duration of an exposure.
5 sl. an amphetamine drug, esp. methamphetamine.
6 archaic success, prosperity (send me good speed).
—v. (past and past part. sped)
1 intr. go fast (sped down the street).
2 (past and past part. speeded) a intr. (of a motorist etc.) travel at an illegal or dangerous speed. b tr. regulate the speed of (an engine etc.). c tr. cause (an engine etc.) to go at a fixed speed.
3 tr. send fast or on its way (speed an arrow from the bow).
4 intr. & tr. archaic be or make prosperous or successful (how have you sped?; God speed you!).
Phrases and idioms:
at speed moving quickly. speed bump (or hump) a transverse ridge in the road to control the speed of vehicles. speed limit the maximum speed at which a road vehicle may legally be driven in a particular area etc. speed merchant colloq. a motorist who enjoys driving fast. speed up move or work at greater speed. speed-up n. an increase in the speed or rate of working.
Derivatives:
speeder n.
Etymology: OE sped, spedan f. Gmc

Useful english dictionary. 2012.

Synonyms:

Look at other dictionaries:

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  • speed — n 1 *haste, hurry, expedition, dispatch Analogous words: *celerity, legerity, alacrity: fleetness, rapidity, swiftness, quickness (see corresponding adjectives at FAST): velocity, pace, headway (see SPEED) 2 Speed, velocity, momentum, impetus,… …   New Dictionary of Synonyms

  • Speed — Speed, n. [AS. sp?d success, swiftness, from sp?wan to succeed; akin to D. spoedd, OHG. spuot success, spuot to succees, Skr. sph[=a] to increase, grow fat. [root]170b.] 1. Prosperity in an undertaking; favorable issue; success. For common speed …   The Collaborative International Dictionary of English

  • speed — [spēd] n. [ME sped < OE spæd, wealth, power, success, akin to spowan, to prosper, succeed < IE base * spēi , to flourish, expand > SPACE, SPARE] 1. the act or state of moving rapidly; swiftness; quick motion 2. a) the rate of movement or …   English World dictionary

  • Speed — Speed, v. t. 1. To cause to be successful, or to prosper; hence, to aid; to favor. Fortune speed us! Shak. [1913 Webster] With rising gales that speed their happy flight. Dryden. [1913 Webster] 2. To cause to make haste; to dispatch with… …   The Collaborative International Dictionary of English

  • speed — [ spid ] n. m. et adj. • 1968; mot angl., proprt « vitesse » ♦ Anglic. fam. 1 ♦ Amphétamine, L. S. D. Prendre du speed. 2 ♦ Adj. Qui a pris des amphétamines. ♢ Très agité, excité. Elle est speed, la directrice ! speed [spid] n. m. et adj. ÉTYM.… …   Encyclopédie Universelle

  • Speed — 〈[ spi:d]〉 I 〈m. 6; Sp.〉 1. Geschwindigkeit 2. Geschwindigkeitssteigerung II 〈n. 15; Drogenszene〉 Aufputschmittel, z. B. Amphetamin [engl.] * * * …   Universal-Lexikon

  • speed — ► NOUN 1) the rate at which someone or something moves or operates. 2) rapidity of movement or action. 3) each of the possible gear ratios of a bicycle. 4) the light gathering power or f number of a camera lens. 5) the duration of a photographic… …   English terms dictionary

  • Speed — Speed, NC U.S. town in North Carolina Population (2000): 70 Housing Units (2000): 60 Land area (2000): 0.283009 sq. miles (0.732990 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.283009 sq. miles (0.732990 sq …   StarDict's U.S. Gazetteer Places

  • Speed — (sp[=e]d), v. i. [imp. & p. p. {Sped} (sp[e^]d), {Speeded}; p. pr. & vb. n. {Speeding}.] [AS. sp[=e]dan, fr. sp[=e]d, n.; akin to D. spoeden, G. sich sputen. See {Speed}, n.] 1. To go; to fare. [Obs.] [1913 Webster] To warn him now he is too… …   The Collaborative International Dictionary of English

  • speed|up — speed up or speed|up «SPEED UHP», noun. an increase in speed, as in some process or work: »Among the urgent areas for study, the report included…speed up of boarding and deplaning procedures (Science News Letter) …   Useful english dictionary


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