#1
fluid n. a substance that is fluid at room temperature and pressure
. wn #2
fluid s. [
unstable] subject to change; variable; "a fluid situation fraught with uncertainty"; "everything was unstable following the coup"
. wn #3
fluid n. continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas
. wn #4
fluid s. [
runny] characteristic of a fluid; capable of flowing and easily changing shape
. wn #5
fluid s. [
fluent, liquid, smooth] smooth and unconstrained in movement; "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina"
. wn