Synonyms of fluid in English:

fluid

noun

  • 1 the fluid seeps up the tube
    liquid, watery substance, solution
    the fluid seeps up the tube
    [Antonyms] solid

adjective

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  • 1 a fluid substance
    free-flowing; liquid, liquefied, melted, molten, runny, running
    a fluid substance
    [Antonyms] solid
  • 2 his plans were still fluid
    adaptable, flexible, adjustable, open-ended, open, open to change, changeable, variable
    his plans were still fluid
    [Antonyms] firm
  • 4 he stood up in one fluid movement
    smooth, fluent, flowing, effortless, easy, continuous, seamless; graceful, elegant
    he stood up in one fluid movement
    [Antonyms] jerky

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space