Extremely smooth (in any sense).

Alternative form of smooth hound

plural of smoothhound

(orthography) A diacritic mark (᾿/◌̓) in Ancient, Medieval and Modern Greek used to indicate absence of aspiration for an initial vowel, and sometimes for rho, e.g. ἀ, ῤ

To convert fruit, vegetables etc into a smoothie.

simple past tense and past participle of smoothify

Converted into a smoothie

(idiomatic) Extremely smooth

plural of smooth muscle

(mathematics, statistics) The mathematical process of fitting a smooth curve to dispersed data points.