SPEED

speed, speeding, hurrying

(noun) changing location rapidly

amphetamine, pep pill, upper, speed

(noun) a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

speed, swiftness, fastness

(noun) a rate (usually rapid) at which something happens; “the project advanced with gratifying speed”

speed, velocity

(noun) distance travelled per unit time

accelerate, speed up, speed, quicken

(verb) move faster; “The car accelerated”

accelerate, speed, speed up

(verb) cause to move faster; “He accelerated the car”

speed

(verb) travel at an excessive or illegal velocity; “I got a ticket for speeding”

rush, hotfoot, hasten, hie, speed, race, pelt along, rush along, cannonball along, bucket along, belt along, step on it

(verb) move hurridly; “He rushed down the hall to receive his guests”; “The cars raced down the street”

Source: WordNet® 3.1

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Etymology

Proper noun

Speed

A surname.

Statistics

• According to the 2010 United States Census, Speed is the 4,859^th most common surname in the United States, belonging to 7,255 individuals. Speed is most common among White (59.10%) and Black (35.16%) individuals.

Anagrams

• Peeds, deeps, pedes, spede

Etymology 1

Noun

speed (countable and uncountable, plural speeds)

The state of moving quickly or the capacity for rapid motion; rapidity.

The rate of motion or action, specifically (mathematics)/(physics) the magnitude of the velocity; the rate distance is traversed in a given time.

(photography) The sensitivity to light of film, plates or sensor.

(photography) The duration of exposure, the time during which a camera shutter is open (shutter speed).

(photography) The largest size of the lens opening at which a lens can be used.

(photography) The ratio of the focal length to the diameter of a photographic objective.

(slang, uncountable) Amphetamine or any amphetamine-based drug (especially methamphetamine) used as a stimulant, especially illegally.

(archaic) Luck, success, prosperity.

(slang) Personal preference.

(finance, uncountable) A third-order measure of derivative price sensitivity, expressed as the rate of change of gamma with respect to changes in the underlying asset price.

Synonyms

• celerity

• velocity

• (measure of derivative price sensitivity): DgammaDspot, gamma of the gamma

Hypernyms

• (measure of derivative price sensitivity): Greeks (includes list of coordinate terms)

Hyponyms

• lightspeed

• speed of light

• speed of sound

Etymology 2

Verb

speed (third-person singular simple present speeds, present participle speeding, simple past and past participle (mostly UK) speeded or sped)

(intransitive, archaic) To succeed; to prosper, be lucky.

(transitive, archaic) To help someone, to give them fortune; to aid or favour.

(intransitive) To go fast.

(intransitive) To exceed the speed limit.

(transitive) To increase the rate at which something occurs.

(intransitive, slang) To be under the influence of stimulant drugs, especially amphetamines.

(obsolete) To be expedient.

(archaic) To hurry to destruction; to put an end to; to ruin.

(archaic) To wish success or good fortune to, in any undertaking, especially in setting out upon a journey.

To cause to make haste; to dispatch with celerity; to drive at full speed; hence, to hasten; to hurry.

To hasten to a conclusion; to expedite.

Usage notes

• The Cambridge Guide to English Usage indicates that sped is for objects in motion (the race car sped) while speeded is used for activities or processes, but notes that the British English convention does not hold in American English.

• Garner's Modern American Usage (2009) indicates that speeded is incorrect, except in the phrasal verb, speed up. Most American usage of speeded conforms to this.

• Sped is about six times more common in American English (COCA) than speeded. Sped is twice as common in UK English (BNC).

Anagrams

• Peeds, deeps, pedes, spede

Source: Wiktionary

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Speed, n. Etym: [AS. sp success, swiftness, from sp to succeed; akin to D. spoedd, OHG. spuot success, spuot to succees, Skr. spha to increase, grow fat. sq. root170b.]

1. Prosperity in an undertaking; favorable issue; success. "For common speed." Chaucer. O Lord God of my master Abraham, I pray thee, send me good speed this day. Gen. xxiv. 12.

2. The act or state of moving swiftly; swiftness; velocity; rapidly; rate of motion; dispatch; as, the speed a horse or a vessel. Speed, to describe whose swiftness number fails. Milton.

Note: In kinematics, speedis sometimes used to denote the amount of velocity without regard to direction of motion, while velocity is not regarded as known unless both the direction and the amount are known.

3. One who, or that which, causes or promotes speed or success. [Obs.] "Hercules be thy speed!" Shak. God speed, Good speed; prosperity. See Godspeed.

– Speed gauge, Speed indicator, and Speed recorder (Mach.), devices for indicating or recording the rate of a body's motion, as the number of revolutions of a shaft in a given time.

– Speed lathe (Mach.), a power lathe with a rapidly revolving spindle, for turning small objects, for polishing, etc.; a hand lathe.

– Speed pulley, a cone pulley with steps.

Syn.

– Haste; swiftness; celerity; quickness; dispatch; expedition; hurry; acceleration. See Haste.

Speed, v. i. [imp. & p. p. Sped, Speeded; p. pr. & vb. n. Speeding.] Etym: [AS. sp, fr. sp, n.; akin to D. spoeden, G. sich sputen. See Speed, n.]

1. To go; to fare. [Obs.] To warn him now he is too farre sped. Remedy of Love.

2. To experience in going; to have any condition, good or ill; to fare. Shak. Ships heretofore in seas lke fishes sped; The mightiest still upon the smallest fed. Waller.

3. To fare well; to have success; to prosper. Save London, and send true lawyers their meed! For whoso wants money with them shall not speed! Lydgate. I told ye then he should prevail, and speed On his bad errand. Milton.

4. To make haste; to move with celerity. I have speeded hither with the very extremest inch of possibility. Shak.

5. To be expedient. [Obs.] Wyclif (2 Cor. xii. 1.)

Speed, v. t.

1. To cause to be successful, or to prosper; hence, to aid; to favor. "Fortune speed us!" Shak. With rising gales that speed their happy flight. Dryden.

2. To cause to make haste; to dispatch with celerity; to drive at full speed; hence, to hasten; to hurry. He sped him thence home to his habitation. Fairfax.

3. To hasten to a conclusion; to expedite. Judicial acts . . . are sped in open court at the instance of one or both of the parties. Ayliffe.

4. To hurry to destruction; to put an end to; to ruin; to undo. "Sped with spavins." Shak. A dire dilemma! either way I 'm sped. If foes, they write, if friends, they read, me dead. Pope.

5. To wish success or god fortune to, in any undertaking, especially in setting out upon a journey. Welkome the coming, speed the parting guest. Pope. God speed you, them, etc., may God speed you; or, may you have good speed.

Syn.

– To depatch; hasten; expedite; accelerate; hurry.

Source: Webster’s Unabridged Dictionary 1913 Edition

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