Main Entry: ¹smooth

Pronunciation: \ˈsmüth\

Function: adjective

Etymology: Middle English smothe, from Old English smōth; akin to Old Saxon smōthi smooth

Date: before 12th century

1 a (1) : having a continuous even surface (2) of a curve : being the representation of a function with a continuous first derivative (3) : having or being a short even coat of hair <a smooth collie> — compare rough, wirehaired b : being without hair c : glabrous <a smooth leaf> d : causing no resistance to sliding
2 : free from difficulties or impediments <the smooth course of his life>
3 : even and uninterrupted in flow or flight
4 : excessively and often artfully suave : ingratiating <a smooth operator>
5 a : serene, equable <a smooth disposition> b : amiable, courteous
6 a : not sharp or harsh <a smooth sherry> b : free from lumps

synonyms see level, easy, suave

— smooth adverb

— smooth·ly adverb

— smooth·ness noun