Synonyms
Antonyms
Etymology

1. perpetual

adjective. ['pɝˈpɛtʃuːəl'] continuing forever or indefinitely.

Synonyms

  • unceasing
  • unending
  • ageless
  • lasting
  • everlasting
  • eonian
  • eternal
  • permanent

Antonyms

  • short
  • caducous
  • mitigated
  • reversible

Etymology

  • perpetualis (Latin)

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Words that Rhyme with Perpetual Motion

  • locomotion
  • promotion
  • devotion
  • demotion
  • commotion
  • laotian
  • emotion
  • potion
  • notion
  • lotion
  • kocian
  • hoeschen
  • bocian
  • ocean

Example sentences of the word perpetual-motion


1. Noun Phrase
A perpetual motion drinking bird is powered by the heat differential between its head and tail.

2. Noun Phrase
This law also explains why perpetual motion machines are physically impossible.

2. perpetual

adjective. ['pɝˈpɛtʃuːəl'] uninterrupted in time and indefinitely long continuing.

Synonyms

  • constant
  • unceasing
  • ceaseless
  • never-ending
  • uninterrupted
  • incessant
  • unremitting

Antonyms

  • eradicable
  • unstable
  • changeable
  • impermanence

Etymology

  • perpetualis (Latin)

3. motion

noun. ['ˈmoʊʃən'] the use of movements (especially of the hands) to communicate familiar or prearranged signals.

Synonyms

  • facial gesture
  • wafture
  • sign
  • bowing
  • high-five
  • shrug
  • wave
  • beck
  • waving
  • flourish
  • gesture
  • curtsy
  • obeisance
  • sign of the cross
  • visual communication
  • nod
  • facial expression
  • previous question
  • V sign
  • bow
  • gesticulation

Antonyms

  • dishonor
  • obscurity
  • prominence
  • running

Etymology

  • motion (Anglo-Norman)

4. motion

noun. ['ˈmoʊʃən'] a natural event that involves a change in the position or location of something.

Synonyms

  • recoil
  • occurrence
  • repercussion
  • tectonic movement
  • wave
  • pedesis
  • throw
  • approaching
  • turning
  • whirl
  • movement
  • squeeze
  • stroke
  • seek
  • jitter
  • commotion
  • periodic motion
  • Brownian movement
  • occurrent
  • rebound
  • bend
  • bending
  • crustal movement
  • deflection
  • Brownian motion
  • natural event
  • passage
  • backlash
  • deflexion
  • heave
  • happening
  • kick
  • twist
  • passing
  • cam stroke
  • wrench
  • moving ridge
  • change of location
  • wring
  • wobble
  • turn
  • travel
  • undulation
  • periodic movement

Antonyms

  • immotility
  • let go of
  • straight line
  • fall

Etymology

  • motion (Anglo-Norman)

5. motion

noun. ['ˈmoʊʃən'] a change of position that does not entail a change of location.

Synonyms

  • adduction
  • headshaking
  • sweep
  • eurythmics
  • retroflection
  • fetal movement
  • standing
  • motility
  • wave
  • jerking
  • eversion
  • saccade
  • gesture
  • reciprocation
  • prostration
  • inclining
  • everting
  • shutting
  • circumduction
  • quiver
  • movement
  • squatting
  • toss
  • wiggle
  • kneel
  • stroke
  • wriggle
  • squirm
  • change
  • lurch
  • eurhythmics
  • retraction
  • move
  • pitch
  • straddle
  • squat
  • upending
  • reclining
  • jolt
  • kneeling
  • kicking
  • body English
  • inversion
  • inclination
  • jerk
  • closing
  • waver
  • sitting
  • flutter
  • foetal movement
  • pitching
  • disturbance
  • opening
  • retroflexion
  • rotation
  • rotary motion
  • quivering
  • reach
  • headshake
  • flicker
  • dart
  • eurythmy
  • kick
  • abduction
  • stretch
  • span
  • vibration
  • eye movement
  • flit
  • eurhythmy
  • posing
  • reaching
  • agitation

Antonyms

  • opening
  • dirty
  • lose
  • normality

Etymology

  • motion (Anglo-Norman)

6. motion

noun. ['ˈmoʊʃən'] a state of change.

Synonyms

  • state
  • quiver
  • nonmoving
  • unmoving
  • trembling
  • stream
  • vibration
  • shakiness
  • flow
  • moving
  • palpitation
  • precession
  • shaking
  • quivering

Antonyms

  • motionlessness
  • nonmoving
  • destabilize
  • enable

Etymology

  • motion (Anglo-Norman)

7. motion

noun. ['ˈmoʊʃən'] the act of changing location from one place to another.

Synonyms

  • approach
  • advancement
  • locomotion
  • forward motion
  • onward motion
  • descent
  • displacement
  • maneuver
  • lunge
  • ascension
  • procession
  • hurry
  • migration
  • speed
  • slippage
  • approaching
  • movement
  • change
  • lurch
  • return
  • ascent
  • slide
  • move
  • vacillation
  • traveling
  • following
  • crawl
  • progression
  • swing
  • progress
  • swinging
  • shift
  • rush
  • play
  • ascending
  • coming
  • coast
  • pursuit
  • stream
  • manoeuvre
  • translation
  • shifting
  • flow
  • haste
  • rushing
  • pursual
  • speeding
  • rise
  • hurrying
  • travel
  • travelling
  • chase
  • advance

Antonyms

  • inelasticity
  • stand still
  • open
  • defeat

Etymology

  • motion (Anglo-Norman)

8. motion

verb. ['ˈmoʊʃən'] show, express or direct through movement.

Synonyms

  • sign
  • shrug
  • communicate
  • wave
  • hold out
  • stretch forth
  • gesture
  • exsert
  • gesticulate
  • applaud
  • acclaim
  • put out
  • wink
  • extend
  • shake
  • beckon
  • nod
  • clap
  • intercommunicate
  • bless
  • cross oneself
  • spat
  • bow
  • stretch out

Antonyms

  • loosen
  • depersonalize
  • dissimilate
  • increase

Etymology

  • motion (Anglo-Norman)

9. motion

noun. ['ˈmoʊʃən'] a formal proposal for action made to a deliberative assembly for discussion and vote.

Synonyms

  • proposal

Antonyms

  • impermanent
  • irregular

Etymology

  • motion (Anglo-Norman)

10. motion

noun. ['ˈmoʊʃən'] an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object.

Synonyms

  • apparent motion
  • optical illusion
  • apparent movement

Antonyms

  • wellness
  • fearlessness
  • disparage
  • deconcentrate

Etymology

  • motion (Anglo-Norman)
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