English word
Fast
Synonyms for fast
Closest evidence-backed alternatives.
Synonyms by context
Lasting for only a short time
adjective
- brief
- short
- momentary
- little
- short-lived
- temporary
- impermanent
- short-term
At a very fast speed
adverb
- quickly
- rapidly
- swiftly
- at speed
- hastily
- hurriedly
- in haste
- at a fast pace
(informal) At a very fast speed
adverb
- flat-out
- full tilt
- at full tilt
- hell for leather
- like a bat out of hell
- like a flash
- like a shot
- like crazy
- like mad
- like wildfire
Immediately and without delay
adverb
- immediately
- instantly
- now
- promptly
- instantaneously
- posthaste
- post-haste
- right now
- straight away
To restrict one's consumption, typically of food
verb
- abstain from food
- go hungry
- abstain
- deny oneself food
- eat nothing
- go without food
- refrain from eating
- refrain from food
- starve oneself
- deny oneself
To restrict oneself to small amounts or specific types of food to lose weight
verb
- diet
- slim
- starve
- slenderize
- lose weight
- cut down
- watch your weight
- slim down
- reduce intake
Phrases
- at full tilt
- at speed
- dangerously fast
- double time
- extremely fast
- fast and furious
- fleet of foot
- in a flash
- lightning fast
- light of foot
- like crazy
- like lightning
- like mad
- like the wind
- not bargained for
- not to be delayed
- now or never
- on the spot
- out of the blue
- promptly given