figurative. Smoothly flowing; running easily and swiftly; fluent. (Now rare.)

Of an action or motion: Unrestricted, unembarrassed; easy, free.

Smooth and slippery in surface or consistency; moving easily; offering no resistance to motion. Of movement: Easy, unimpeded. Now rare exc. dialect.

Unconstrained, effortless; working or flowing freely; ready, fluent.

Thoroughly covered, moistened, or lubricated with oil; (hence of a machine, mechanism, etc.) operating smoothly. Frequently figurative and in…

That progresses, operates, moves, etc., efficiently, freely, or smoothly.

†Not causing disconnexion.

In extended use: Having an agreeable or benign quality, influence, operation, or effect. Chiefly… Easily managed, handled, or dealt with; working or…

figurative. Characterized by easy smooth motion or progress, as of a person swimming; free from obstruction or difficulty.