Definition of fluid adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈfluːɪd//
    ; NAmE NAmE//ˈfluːɪd//
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  1. 1(formal) (of movements, designs, music, etc.) smooth and elegant synonym flowing a loose, fluid style of dancing fluid guitar playing the fluid lines of the drawing
  2. 2(formal) (of a situation) likely to change; not fixed a fluid political situation a fluid relationship between managers and staff the growth of a socially fluid urban society
  3. 3(specialist) that can flow freely, as gases and liquids do a fluid consistency
  4. Word Originlate Middle English (as an adjective): from French fluide or Latin fluidus, from fluere ‘to flow’.Extra examples It’s a highly fluid situation. The fluid political situation made investment impossible. There is a fluid relationship between managers and workers.
See the Oxford Advanced American Dictionary entry: fluid