plural of fluent

That flows; flowing, liquid. / (linguistics) Able to use a language accurately, rapidly, and confidently – in a flowing way.

(mathematics, obsolete) A continuous variable, especially one with respect to time in Newton's Method of Fluxions.

The quality of being fluent.

plural of fluent interface

(software engineering) An object-oriented application programming interface whose design relies extensively on chaining methods together, with the aim of improving code legibility.

Socially adept.