Origin: 1350–1400; Middle English liquyd <
Latin liquidus, equivalent to
liqu(
ēre) to be liquid +
-idus -id4 Related formsliq·uid·ly, adverb
liq·uid·ness, noun
non·liq·uid, adjective, noun
non·liq·uid·ly, adverb
un·liq·uid, adjective
Can be confused: fluid,
gas,
liquid (see synonym note at
the current entry).
Synonyms
1. Liquid, fluid agree in referring to matter that is not solid. Liquid commonly refers to substances, as water, oil, alcohol, and the like, that are neither solids nor gases: Water ceases to be a liquid when it is frozen or turned to steam. Fluid is applied to anything that flows, whether liquid or gaseous: Pipes can carry fluids from place to place.