Obs. [see -NESS.] The state or quality of being fluid; fluidity. lit. and fig.
1626. Donne, Serm., lxxx. 817. Looke first upon the generall consideration, the fluidnesse, the transitorinesse of all such temporall things.
1647. H. More, Song of Soul, Notes, 388. The fluidnesse of the Planetary heavens is acknowledged even by them that are against the motion of the Earth.
1670. W. Simpson, Hydrol. Ess., 137. The eucrasy & fluidness of this balsamick ferment.