سرعت حرکت ،عجله ،کاميابى ،ميزان شتاب ،درجه تندى ،وضع ،حالت ،شانس خوب داشتن ،کامياب بودن ،باسرعت راندن ،سريع کارکردن ،تسريع کردن علوم مهندسى : عده دور عمران : سرعت معمارى : سرعت شيمى : تندى روانشناسى : سرعت زيست شناسى : سرعت ورزش : اندازه سرعت ،مدت زمان تمام کردن مسابقه اسبدوانى علوم هوايى : سرعت علوم نظامى : شتاب حرکت

distance travelled per unit time(n)

Synonyms: speed velocity

Hyponyms: airspeed angular velocity c escape velocity groundspeed hypervelocity light speed muzzle velocity peculiar velocity radial velocity speed of light steerageway terminal velocity

Hypernyms: rate

move fast(v)

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

Hyponyms: barge buck charge dart dash flash push forward scoot scud shoot shoot down tear thrust ahead

Hypernyms: go locomote move travel

Examples: He rushed down the hall to receive his guests The cars raced down the street

Antonyms: dawdle linger

a rate (usually rapid) at which something happens(n)

Synonyms: fastness speed swiftness

Hyponyms: execution speed graduality gradualness haste hastiness hurriedness hurry precipitation

Hypernyms: pace rate

Examples: the project advanced with gratifying speed

move faster(v)

Synonyms: accelerate quicken speed speed up

Hyponyms: brisk brisk up brisken

Hypernyms: deepen intensify

Examples: The car accelerated

Antonyms: decelerate retard slow slow down slow up

changing location rapidly(n)

Synonyms: hurrying speed speeding

Hyponyms: acceleration deceleration quickening scud scudding speedup

Hypernyms: motion move movement

move very fast(v)

Synonyms: hurry speed travel rapidly zip

Hyponyms: dart fleet flit flutter run whizz whizz along zoom zoom along

Hypernyms: go locomote move travel

Examples: The runner zipped past us at breakneck speed

the ratio of the focal length to the diameter of a (camera) lens system(n)

Synonyms: f number focal ratio speed stop number

Hypernyms: ratio

travel at an excessive or illegal velocity(v)

Synonyms: speed

Hypernyms: go locomote move travel

Examples: I got a ticket for speeding

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

Synonyms: amphetamine pep pill speed upper

Hyponyms: amphetamine sulfate amphetamine sulphate bennie benzedrine chalk chicken feed crank deoxyephedrine dexedrine dextroamphetamine sulphate glass ice meth methamphetamine methamphetamine hydrochloride methedrine shabu trash

Hypernyms: drug of abuse excitant stimulant stimulant drug street drug

cause to move faster(v)

Synonyms: accelerate speed speed up

Hypernyms: alter change modify

Examples: He accelerated the car

Antonyms: decelerate slow down