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n.
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"
adj.
habitually moving from place to place especially in search of seasonal work; "appalled by the social conditions of migrant life"; "migratory workers"
adj.
(of groups of people) tending to travel and change settlements frequently; "a restless mobile society"; "the nomadic habits of the Bedouins"; "believed the profession of a peregrine typist would have a happy future"; "wandering tribes"
adj.
continually changing especially as from one abode or occupation to another; "a drifting double-dealer"; "the floating population"; "vagrant hippies of the sixties"
adj.
moving or progressing very slowly or laboriously esp by or as if by dragging the body along close to the ground: "huge crawling reptiles"; "a creeping tractor"