Having a texture that lacks friction. not rough.
Without difficulty, problems, or unexpected consequences or incidents.
Example: "We hope for a smooth transition to the new system."
Bland; glib.
Flowing or uttered without check, obstruction, or hesitation; not harsh; fluent.
(of a person) suave; sophisticated.
(of an action) natural; unconstrained.
(of a motion) unbroken.
(chiefly of water) placid, calm.
(of an edge) lacking projections or indentations; not serrated.
(of food or drink) not grainy; having an even texture.
(of a beverage) having a pleasantly rounded flavor; neither rough nor astringent.
(of a function) having derivatives of all finite orders at all points within the function’s domain.
(of a number) that factors completely into small prime numbers.
(of a vowel) lacking marked aspiration.
(of muscles) involuntary and non-striated.