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Definition of 'motion'

Noun

  1. a natural event that involves a change in the position or location of something
       Synonyms: movement
  2. the use of movements (especially of the hands) to communicate familiar or prearranged signals
       Synonyms: gesture
  3. 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"
       Synonyms: movement move motility
  4. a state of change; "they were in a state of steady motion"
       Antonyms: motionlessness stillness lifelessness
  5. 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"
       Synonyms: question
  6. 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"
       Synonyms: movement move
  7. 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"
       Synonyms: apparent motion apparent movement movement

Verb

  1. show, express or direct through movement; "He gestured his desire to leave"
       Synonyms: gesticulate gesture


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