Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
fast1

fast1

 
pronunciation:
faest
parts of speech:
adjective, adverb
features:
Word Explorer
part of speech: adjective
inflections: faster, fastest
definition 1: moving or operating with speed.
He's a fast runner.She drives a fast car.
synonyms:
quick, rapid
antonyms:
slack, slow
similar words:
brisk, fleet, swift
definition 2: done in a short time.
She prepared a fast meal.
synonyms:
quick
antonyms:
slow
similar words:
fleet, hasty, rapid, swift
definition 3: true and loyal.
Meg and I are fast friends.
synonyms:
devoted, faithful, firm, steadfast, steady, true
similar words:
close, intimate, lasting, loyal, sure, tight
definition 4: fixed or firmly attached.
I tried to shake him off, but he had a fast grip on my arm.
synonyms:
fixed, secure, stable, stationary, tight
antonyms:
loose
similar words:
firm, steady, taut
definition 5: ahead of the correct time.
That clock is five minutes fast.
similar words:
early
definition 6: not easily faded; fixed firmly.
The blue in this shirt won't wash out because the color is fast.
antonyms:
temporary
similar words:
permanent
 
part of speech: adverb
inflections: faster, fastest
definition 1: with speed; quickly.
He came fast when his mother called him for dinner.
synonyms:
at full tilt, quickly, rapidly
antonyms:
slowly
similar words:
like mad, presto, swiftly
definition 2: tightly; firmly.
She held fast to her child's hand.
synonyms:
firmly, securely, tightly
antonyms:
loosely
definition 3: deeply; soundly.
We fell fast asleep.
synonyms:
soundly
similar words:
deeply, fully
Word Explorer
See
  measurement