fluid

flu-id · noun

imported

Definitions

noun

  1. 1.

    A substance that flows and takes the shape of its container; a liquid or gas.

  2. 2.

    (as adjective) Able to flow easily; not solid.

  3. 3.

    (as adjective) Smooth and graceful; not fixed or rigid.

  4. 4.

    (as adjective) Subject to change; not fixed or settled.

Forms

plural: fluids

Phrases & expressions

  • •
    body fluids — liquids produced by the body
  • •
    fluid dynamics — the study of how fluids move
  • •
    fluid situation — circumstances likely to change

Related words

Antonyms: solid
See also: flowing, fluids, liquid
Synonyms: liquid, solution

Etymology

From Latin fluidus ("flowing, fluid"), from fluere ("to flow").