smooth/smuð/USA pronunciationadj.,-er, -est,adv., v. adj.
not rough; having an even surface:a smooth road.
generally flat, such as a calm sea.
Biologyfree from hairs or a hairy growth:a smooth cheek.
free from lumps, as a sauce:smooth gravy.
allowing or having an even, uninterrupted movement:a smooth ride.
free from problems or difficulties:a smooth day at the office.
elegant, easy, or polished:a smooth manner with difficult clients.
ingratiatingly polite; suave:a smooth talker.
free from harshness; bland or mellow, such as wine.
in a smooth manner; smoothly:[often: used before another word to form an adjective]a smooth-running car.
Buildingto make the surface of (something) smooth, as by scraping, planing, pressing, etc.: [~ + object]to smooth the floorboards with sandpaper before polishing them.[~ (+ off/out) + object]He smoothed (off) his jacket.[~ + object (+ out)]He smoothed his jacket (out).
to remove (wrinkles or the like) from something: [~ + object + off (+ object)]He smoothed the wrinkles off (his jacket).[~ + off/away + object]He smoothed off the wrinkles from his jacket.
smooth over, to make seem less severe or disagreeable: [~ + over + object]smoothed over the difficulties and got the two sides talking again.[~ + object + over]to smooth them over.
bef. 1050; (adjective, adjectival) Middle English smothe, late Old English smōth; compare Middle English smethe, Old English smēthe smooth; cognate with Old Saxon smōthi; (verb, verbal) late Middle English smothen, derivative of the adjective, adjectival; replacing Middle English smethen, Old English smēth(i)an
1.See corresponding entry in Unabridged glossy, polished, even, flat. See level.