Synonyms for fast
- adjective
- adverb
Most common
Synonyms by meaning
Adjective
1. Swift — able to transfer data in a short period of time
swift, quick, rapid, speedy, easy, accelerated, fleet, prompt, snappy, instantaneous, hurried, expeditious, winged, hasty, acute, cursory
2. Profligate
profligate, dissipated, dissolute, wild, reckless, immoral, debauched, extravagant, unrestrained, wanton, degenerate, promiscuous, riotous, degraded, slutty informal, libertine, rakish, gay dated
3. Strong — steadfast, with unwavering feeling. (Now mostly in set phrases like fast friend(s).)
strong, faithful, true, constant, true-hearted, loyal, steadfast
4. Tight — firmly or securely fixed in place; stable
tight, secure, stable, firm, fixed, close, stuck, immobile, permanent, immovable, unflinching, indelible
Other
high-speed, sound, sure, durable, deep, flying, advanced, invincible, colour-fast, colorfast US, colourfast UK, impenetrable, fortified, gain dated
Adverb
1. Quickly — quickly, with great speed; within a short time
quickly, swiftly, rapidly, expeditiously, speedily, fastly, apace
2. Tightly — in a firm or secure manner, securely; in such a way as not to be moved; safe, sound
3. Recklessly
Definitions
- adj. 1
Firmly or securely fixed in place; stable.
That rope is dangerously loose. Make it fast!
- adj. 2
Steadfast, with unwavering feeling. (Now mostly in set phrases like fast friend(s).)
- adv. 1
In a firm or secure manner, securely; in such a way as not to be moved; safe, sound .
Hold this rope as fast as you can.
- adv. 2
Quickly, with great speed; within a short time .
Do it as fast as you can.
Related words
Example sentences
- easy That game is easy, once you learn the basic rules.
- rapid It must be dangerous to swim in this rapid stream.
- swift No one predicted the swift collapse of the regime.
- speedy I hope your dad gets well soon. I wish him a speedy recovery.
- degenerate Don't allow your muscles to degenerate.
By length
- 3 letters
- gay1
- 4 letters
- sure1, true1, easy2, deep1, wild1, firm1, gain1
- 5 letters
- close1, sound1, quick1, ahead2, fixed1, stuck1, tight1, rapid2, fleet1, swift1, loyal2, acute2, hasty2, apace2
- 6 letters
- strong1, flying2, secure2, stable2, deeply2, firmly2, prompt1, wildly2, speedy2, winged1, slutty2, snappy2, wanton2, rakish2
- 7 letters
- quickly2, rapidly3, tightly2, durable3, immoral3, swiftly2, hurried2, cursory3, riotous3, fixedly
- 8 letters
- advanced2, constant2, faithful2, reckless2, degraded3, securely3, immobile3, speedily3
- 9 letters
- permanent3, fortified3, steadfast2, immovable4, indelible4, libertine3, dissolute, debauched, immovably, colorfast3
- 10 letters
- invincible4, degenerate4, dissipated4, recklessly3, profligate3, colourfast
- 11 letters
- accelerated5, extravagant4, promiscuous3, unflinching3, expeditious4
- 12 letters
- impenetrable5, unrestrained3
- 13 letters
- instantaneous5, expeditiously5, extravagantly5
The small number after each word is its number of syllables (easy2 = 2 syllables).