- 1(formal) (of movements, designs, music, etc.) smooth and elegant synonym flow a loose, fluid style of dancing fluid guitar playing the fluid lines of the drawing
- 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(technology) that can flow freely, as gases and liquids do a fluid consistency
Check pronunciation: fluid