What does motion mean?

Definitions for motion
ˈmoʊ ʃənmo·tion

Here are all the possible meanings and translations of the word motion.

Princeton's WordNet

  1. gesture, motionnoun

    the use of movements (especially of the hands) to communicate familiar or prearranged signals

  2. movement, motionnoun

    a natural event that involves a change in the position or location of something

  3. motion, movement, move, motilitynoun

    a change of position that does not entail a change of location

    "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"

  4. motionnoun

    a state of change

    "they were in a state of steady motion"

  5. motion, questionnoun

    a formal proposal for action made to a deliberative assembly for discussion and vote

    "he made a motion to adjourn"; "she called for the question"

  6. motion, movement, movenoun

    the act of changing location from one place to another

    "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path"

  7. apparent motion, motion, apparent movement, movementverb

    an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object

    "the cinema relies on apparent motion"; "the succession of flashing lights gave an illusion of movement"

  8. gesticulate, gesture, motionverb

    show, express or direct through movement

    "He gestured his desire to leave"


  1. motionnoun

    A state of progression from one place to another.

  2. motionnoun

    A change of position with respect to time.

  3. motionnoun

    A change from one place to another.

  4. motionnoun

    A parliamentary action to propose something.

    The motion to amend is now open for discussion.

  5. motionnoun

    An entertainment or show, especially a puppet show.

  6. motionnoun

    from u03BAu03AFu03BDu03B7u03C3u03B9u03C2; any change. Traditionally of four types: generation and corruption, alteration, augmentation and diminution, and change of place.

  7. motionverb

    To gesture indicating a desired movement.

    He motioned for me to come closer.

  8. motionverb

    To introduce a motion in parliamentary procedure.

  9. Etymology: From motion, mocion, motion, and their source, motio.


  1. Motion

    In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time. The motion of a body is observed by attaching a frame of reference to an observer and measuring the change in position of the body relative to that frame with change in time. The branch of physics describing the motion of objects without reference to its cause is kinematics; the branch studying forces and their effect on motion is dynamics. If an object is not changing relatively to a given frame of reference, the object is said to be at rest, motionless, immobile, stationary, or to have a constant or time-invariant position with reference to its surroundings. As there is no absolute frame of reference, absolute motion cannot be determined. Thus, everything in the universe can be considered to be in motion.Motion applies to various physical systems: to objects, bodies, matter particles, matter fields, radiation, radiation fields, radiation particles, curvature and space-time. One can also speak of motion of images, shapes and boundaries. So, the term motion, in general, signifies a continuous change in the positions or configuration of a physical system in space. For example, one can talk about motion of a wave or about motion of a quantum particle, where the configuration consists of probabilities of occupying specific positions. The main quantity that measures the motion of a body is momentum. An object's momentum increases with the object's mass and with its velocity. The total momentum of all objects in an isolated system (one not affected by external forces) does not change with time, as described by the law of conservation of momentum. An object's motion, and thus its momentum, cannot change unless a force acts on the body.

Webster Dictionary

  1. Motionnoun

    the act, process, or state of changing place or position; movement; the passing of a body from one place or position to another, whether voluntary or involuntary; -- opposed to rest

  2. Motionnoun

    power of, or capacity for, motion

  3. Motionnoun

    direction of movement; course; tendency; as, the motion of the planets is from west to east

  4. Motionnoun

    change in the relative position of the parts of anything; action of a machine with respect to the relative movement of its parts

  5. Motionnoun

    movement of the mind, desires, or passions; mental act, or impulse to any action; internal activity

  6. Motionnoun

    a proposal or suggestion looking to action or progress; esp., a formal proposal made in a deliberative assembly; as, a motion to adjourn

  7. Motionnoun

    an application made to a court or judge orally in open court. Its object is to obtain an order or rule directing some act to be done in favor of the applicant

  8. Motionnoun

    change of pitch in successive sounds, whether in the same part or in groups of parts

  9. Motionnoun

    a puppet show or puppet

  10. Motionverb

    to make a significant movement or gesture, as with the hand; as, to motion to one to take a seat

  11. Motionverb

    to make proposal; to offer plans

  12. Motionverb

    to direct or invite by a motion, as of the hand or head; as, to motion one to a seat

  13. Motionverb

    to propose; to move


  1. Motion

    In physics, motion is a change in position of an object with respect to time and its reference point. Motion is typically described in terms of displacement, velocity, acceleration, and time. Motion is observed by attaching a frame of reference to a body and measuring its change in position relative to another reference frame. A body which does not move is said to be at rest, motionless, immobile, stationary, or to have constant position. An object's motion cannot change unless it is acted upon by a force, as described by Newton's first law. An object's momentum is directly related to the object's mass and velocity, and the total momentum of all objects in a closed system does not change with time, as described by the law of conservation of momentum. As there is no absolute frame of reference, absolute motion cannot be determined. Thus, everything in the universe can be considered to be moving. More generally, the term motion signifies a continuous change in the configuration of a physical system. For example, one can talk about motion of a wave or a quantum particle where the configuration consists of probabilities of occupying specific positions.

Chambers 20th Century Dictionary

  1. Motion

    mō′shun, n. the act or state of moving: a single movement: change of posture: gait: power of moving or of being moved: angular velocity—direct when from west to east; retrograde when from east to west: excitement of the mind: any natural impulse, instigation: proposal made, esp. in an assembly: an application to a court, during a case before it, for an order or rule that something be done, esp. something incidental to the progress of the cause rather than its issue: evacuation of the intestine: (pl., B.) impulses.—v.i. to make a significant movement, to offer a proposal.—v.t. to guide by a gesture, &c.: to move.—adj. Mō′tile, capable of spontaneous motion.—n. Motil′ity.—adj. Mo′tional, characterised by motions.—n. Mō′tionist, one who makes a motion.—adj. Mō′tionless, without motion.—Absolute motion, change of absolute place; Accelerated motion, motion of which the velocity is continually increasing; Angular motion, motion regarded as measured by the increase of the angle made with some standard direction by a line drawn from the moving object to a fixed point; Laws of motion, Newton's three laws: (1) Every body continues in its state of rest, or of uniform motion in a straight line, except so far as it may be compelled by force to change that state; (2) Change of motion is proportional to force applied, and takes place in the direction of the straight line in which the force acts; (3) To every action there is always an equal and contrary reaction; Parallel motion (see Parallel); Perpetual motion (see Perpetual); Quantity of motion, momentum. [Fr.,—L.,—movēre, mōtum, to move.]

U.S. National Library of Medicine

  1. Motion

    Physical motion, i.e., a change in position of a body or subject as a result of an external force. It is distinguished from MOVEMENT, a process resulting from biological activity.

Dictionary of Nautical Terms

  1. motion

    Change of place; it is termed direct, in the sky, when it is in the direction of the earth's annual revolution; retrograde, when it proceeds contrary to these conditions; by sidereal is meant the motion of a body with respect to the fixed stars.--Tropical motion is the movement of a body in respect to the equinox or tropic, which has itself a slow motion among the stars, as shown under precession. (See PROPER MOTION.)--Motion, in mechanics, is either simple or compound, as one or more powers are used. The momentum of a moving body, or quantity of motion, arises from its velocity multiplied into the quantity of matter it contains.

Military Dictionary and Gazetteer

  1. motion

    Each movement in the manual of arms is divided into motions to facilitate instruction of recruits.

Editors Contribution

  1. motion

    A formal proposal for action within a form of unity assembly, unity council, unity legislature, unity senate, unity house of representatives, unity government, local unity government, regional unity government, national unity government, european unity government and international unity government.

    The member of unity government created a motion for the consideration of the government.

    Submitted by MaryC on April 13, 2020  
  2. motion

    A natural movement.

    The motion of the aircraft is calm and stable.

    Submitted by MaryC on April 13, 2020  

Suggested Resources

  1. motion

    Song lyrics by motion -- Explore a large variety of song lyrics performed by motion on the Lyrics.com website.

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'motion' in Spoken Corpus Frequency: #2862

  2. Written Corpus Frequency

    Rank popularity for the word 'motion' in Written Corpus Frequency: #692

  3. Nouns Frequency

    Rank popularity for the word 'motion' in Nouns Frequency: #883

How to pronounce motion?

How to say motion in sign language?


  1. Chaldean Numerology

    The numerical value of motion in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of motion in Pythagorean Numerology is: 5

Examples of motion in a Sentence

  1. Walter Freeman:

    Viewers will see a normal full moon at first starting at around 10:35 p.m. Eastern time, at that time, the Earth's shadow will begin to pass in front of the moon, blocking almost all of the sun's light from reaching it. Observers will see the moon appear to be progressively' swallowed up' starting from the lower left. This process will end at 11:40 p.m., when the Earth's shadow covers the whole of the moon's surface ; this is the beginning of' totality.' This will last until around 12:40 a.m., when the motion of the Earth's shadow will carry it past the moon, and the moon will gradually again be lit by the sun. At 1:45 a.m., the moon will be fully visible again.

  2. David Krakoff:

    I cannot tell you what their position might be, but I will say this to the court: we do not bring this motion to delay or disrupt these litigations, i think we have a solution that will address any potential questions or issues.

  3. Mae West:

    Sex is emotion in motion.

  4. United States:

    No one should ever doubt United States in meeting its commitments to the mutual defense of the NATO alliance, unfortunately, this motion has become necessary because some of our closest allies have come to question the United States commitment to collective self-defense. President Donald Trump on Tuesday has at times called the alliance' obsolete.' Our allies are starting to wonder whether they can rely on United States to come to their defense in a crisis.

  5. Bernhard Thomaszewski:

    Our ambition is to make the design of compelling robotic creatures as accessible and intuitive as possible, our tool allows the user to design the structure and motion of a robot while receiving immediate feedback on its expected real-world behavior.

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Translations for motion

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    a motley assortment of things
    • A. mitre
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