Synonyms
Antonyms

1. fast-flying

adjective. moving swiftly.

Synonyms

  • flying

Antonyms

  • motionlessness
  • immobile

Featured Games

Words that Rhyme with Fast Asleep

  • oversleep
  • mcsleep
  • anandeep
  • streep
  • phillipe
  • felipe
  • bopeep
  • sweep
  • steep
  • schliep
  • griep
  • creep
  • bleep
  • weep
  • veep
  • tepe
  • sheep
  • sepe
  • seipp
  • seip
  • seep
  • riepe
  • reep
  • reap
  • peep
  • lepe
  • leap
  • kniep
  • kneip
  • keep

2. fast-growing

adjective. tending to spread quickly.

Synonyms

  • aggressive
  • invasive

Antonyms

  • defensive
  • unaggressive
  • amicable

3. asleep

adjective. ['əˈsliːp'] in a state of sleep.

Synonyms

  • dozy
  • sleepy-eyed
  • sound asleep
  • torpid
  • sleepy
  • unaware
  • drowsy
  • somnolent
  • slumberous
  • hypnoid
  • sleepyheaded
  • at rest
  • hibernating
  • fast asleep
  • unconscious
  • slumbrous
  • incognizant
  • drowsing
  • slumbery
  • unawakened

Antonyms

  • aware
  • awake
  • attentive
  • restless

Etymology

  • a- (English)
  • a- (Anglo-Norman)
  • sleep (English)
  • sleep (Middle English (1100-1500))

4. asleep

adjective. ['əˈsliːp'] dead.

Synonyms

  • at rest
  • deceased
  • at peace
  • departed
  • dead

Antonyms

  • active
  • erect
  • witting
  • incognizance

Etymology

  • a- (English)
  • a- (Anglo-Norman)
  • sleep (English)
  • sleep (Middle English (1100-1500))

5. asleep

adjective. ['əˈsliːp'] lacking sensation.

Synonyms

  • insensible
  • numb

Antonyms

  • voluntary
  • future
  • present

Etymology

  • a- (English)
  • a- (Anglo-Norman)
  • sleep (English)
  • sleep (Middle English (1100-1500))

6. fast

adjective. ['ˈfæst'] acting or moving or capable of acting or moving quickly.

Synonyms

  • hurried
  • meteoric
  • instant
  • express
  • alacritous
  • sudden
  • immediate
  • fast-breaking
  • quick
  • speed
  • high-speed
  • double-quick
  • fleet
  • rapid
  • fastness
  • swift
  • prompt
  • instantaneous
  • windy
  • red-hot
  • swiftness
  • high-velocity
  • smart
  • accelerated
  • speedy
  • scurrying
  • blistering
  • fast-paced
  • winged
  • straightaway
  • hurrying

Antonyms

  • gradual
  • unhurried
  • nonviolent
  • uncharged

Etymology

  • fæst (Old English (ca. 450-1100))
  • fæstan (Old English (ca. 450-1100))

7. fast

noun. ['ˈfæst'] abstaining from food.

Synonyms

  • Ramadan
  • diet
  • abstinence
  • dieting
  • hunger strike

Antonyms

  • mediacy
  • distant
  • ultimate
  • unexcitable

Etymology

  • fæst (Old English (ca. 450-1100))
  • fæstan (Old English (ca. 450-1100))

8. fast

adverb. ['ˈfæst'] firmly or closely.

Antonyms

  • local

Etymology

  • fæst (Old English (ca. 450-1100))
  • fæstan (Old English (ca. 450-1100))

9. fast

adjective. ['ˈfæst'] unwavering in devotion to friend or vow or cause.

Synonyms

  • truehearted
  • firm
  • loyal

Antonyms

  • cool
  • unemotionality
  • passionless
  • far

Etymology

  • fæst (Old English (ca. 450-1100))
  • fæstan (Old English (ca. 450-1100))

10. fast

adjective. ['ˈfæst'] (of surfaces) conducive to rapid speeds.

Antonyms

  • past

Etymology

  • fæst (Old English (ca. 450-1100))
  • fæstan (Old English (ca. 450-1100))

Example sentences of the word fast-asleep


1. Noun Phrase
A new mother may find herself up at all hours of the night suffering from the sore and swollen breasts that come along with breastfeeding, even when the baby is fast asleep.

Synonym.com