The meaning of FLUID is having particles that easily move and change their relative position without a separation of the mass and that easily yield to pressure : capable of flowing.

fluid adjective (LIKELY TO CHANGE) If situations, ideas, or plans are fluid, they are not fixed and are likely to change, often repeatedly and unexpectedly:

FLUID definition: a substance, as a liquid or gas, that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape. See …

A situation that is fluid is unstable and is likely to change often. The situation is extremely fluid and it can be changing from day to day.

A liquid is a fluid — something that flows easily when poured — although gases can also be called fluid. When your doctor told you to drink lots of fluids to help your cold symptoms, she …

Fluids flow easily and take on the shape of their containers. All liquids and gases are fluids.

Definition of fluid noun from the Oxford Advanced Learner's Dictionary. a liquid; a substance that can flow. The doctor told him to drink plenty of fluids. Questions about grammar and …

Fluid definition: A continuous, amorphous substance whose molecules move freely past one another and that has the tendency to assume the shape of its container; a liquid or gas.

flu•id /ˈfluɪd/ n. Hydraulics, Physics a substance, such as a liquid or gas, that is capable of flowing and that changes its shape when acted upon by a force: [uncountable] Fluid dripped from the …

FLUID meaning: 1 : capable of flowing freely like water; 2 : used to describe something that can change easily or that changes often