Advanced vs. Fluent

Highly developed or complex.

Able to express oneself readily and effortlessly

Being at a higher level than others

Flowing effortlessly; polished

Ahead of the times; progressive

Flowing or moving smoothly; graceful

Far along in course or time

Flowing or capable of flowing; fluid.

Simple past tense and past participle of advance

That flows; flowing, liquid.

At or close to the state of the art.

(linguistics) Able to use a language accurately, rapidly, and confidently – in a flowing way.

With greater complexity, more difficult

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

Having moved forward in time or space (e.g. advanced ignition timing).

Flowing or capable of flowing; liquid; glodding; easily moving.

In a late stage of development; greatly developed beyond an initial stage.

Ready in the use of words; voluble; copious; having words at command; and uttering them with facility and smoothness; as, a fluent speaker; hence, flowing; voluble; smooth; - said of language; as, fluent speech.

(phonetics) Pronounced farther to the front of the vocal tract.

A current of water; a stream.

Indicating a time ahead of the correct time.

A variable quantity, considered as increasing or diminishing; - called, in the modern calculus, the function or integral.

In the van or front.

Easy and graceful in shape;

In the front or before others, as regards progress or ideas; as, advanced opinions, advanced thinkers.

Smooth and unconstrained in movement;

Far on in life or time.

Expressing yourself readily, clearly, effectively;

Farther along in physical or mental development;

Comparatively late in a course of development;

Ahead of the times;

At a higher level in training or knowledge or skill;

Ahead in development; complex or intricate;

Far along in time;

(of societies) highly developed especially in technology or industry;

Situated ahead or going before;