speed vs fast
fast vs speedspeed and fast both are nouns.
speed is not an adjective while fast is an adjective.
speed and fast both are verbs.
speed is not an adverb while fast is an adverb.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| speed | Yes | No | Yes | No |
| fast | Yes | Yes | Yes | Yes |
| speed (noun) | fast (noun) |
|---|---|
| changing location rapidly | abstaining from food |
| a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | |
| a rate (usually rapid) at which something happens | |
| the ratio of the focal length to the diameter of a (camera) lens system | |
| distance travelled per unit time |
| speed (adjective) | fast (adjective) |
|---|---|
| acting or moving or capable of acting or moving quickly | |
| at a rapid tempo | |
| (used of timepieces) indicating a time ahead of or later than the correct time | |
| (of a photographic lens or emulsion) causing a shortening of exposure time | |
| unwavering in devotion to friend or vow or cause | |
| securely fixed in place | |
| hurried and brief | |
| unrestrained by convention or morality | |
| resistant to destruction or fading | |
| (of surfaces) conducive to rapid speeds |
| speed (verb) | fast (verb) |
|---|---|
| move faster | abstain from eating |
| cause to move faster | abstain from certain foods, as for religious or medical reasons |
| move very fast | |
| travel at an excessive or illegal velocity | |
| move hurridly |
| speed (adverb) | fast (adverb) |
|---|---|
| quickly or rapidly (often used as a combining form) | |
| firmly or closely |
Words related to "speed"
- Benzedrine
- Dexedrine
- Methedrine
- accelerate
- acceleration
- airspeed
- alter
- amphetamine
- amphetamine sulfate
- amphetamine sulphate
- angular velocity
- barge
- belt along
- bennie
- brisk
- brisk up
- brisken
- buck
- bucket along
- bustle
- bustle about
- c
- cannonball along
- chalk
- change
- charge
- chicken feed
- crank
- dart
- dash
- deceleration
- deepen
- deoxyephedrine
- dextroamphetamine sulphate
- drug of abuse
- escape velocity
- excitant
- execution speed
- f number
- fast
- fastness
- flash
- fleet
- flit
- flutter
- focal ratio
- glass
- go
- graduality
- gradualness
- groundspeed
- haste
- hasten
- hastiness
- hie
- hotfoot
- hurriedness
- hurry
- hurrying
- hustle
- hypervelocity
- ice
- intensify
- light speed
- locomote
- meth
- methamphetamine
- methamphetamine hydrochloride
- modify
- motion
- move
- movement
- muzzle velocity
- pace
- peculiar velocity
- pelt along
- pep pill
- precipitation
- push forward
- quicken
- quickening
- race
- radial velocity
- rate
- ratio
- relative speed
- relative velocity
- run
- rush
- rush along
- scoot
- scud
- scudding
- shabu
- shoot
- shoot down
- slow
- speed of light
- speed up
- speeder
- speeding
- speedup
- speedy
- stampede
- steerageway
- step on it
- stimulant
- stimulant drug
- stop number
- street drug
- swiftness
- tear
- terminal velocity
- thrust ahead
- trash
- travel
- travel rapidly
- upper
- velocity
- whizz
- whizz along
- zip
- zoom
- zoom along
Words related to "fast"
- Ramadan
- abstain
- abstinence
- accelerated
- alacritous
- allegretto
- allegro
- andantino
- blistering
- causative
- debauched
- degenerate
- degraded
- desist
- diet
- dieting
- dissipated
- dissolute
- double-quick
- express
- faithful
- fast-breaking
- fast-paced
- fasting
- fastness
- firm
- fixed
- fleet
- flying
- high-speed
- high-velocity
- hot
- hunger strike
- hurried
- hurrying
- immediate
- immobile
- immoral
- imperviable
- impervious
- instant
- instantaneous
- libertine
- loyal
- meteoric
- music
- prestissimo
- presto
- profligate
- prompt
- quick
- rapid
- red-hot
- refrain
- riotous
- scurrying
- slow
- smart
- smooth
- speed
- speedy
- straightaway
- sudden
- swift
- swiftness
- tight
- truehearted
- vivace
- windy
- winged
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