smoothen

1 to make free from breaks, curves, or bumps <smoothen the wood for the table thoroughly, or the legs will be uneven> Synonyms flatten, level, plane, smooth, evenRelated Words clip, crop, pare, prune, shave, trim; lay, press, spread; card, comb, rake; surfaceNear Antonyms coarsen, rumple, wrinkle; bend, kink; dent, pitAntonyms rough, roughen

2 to make smooth or glossy usually by repeatedly applying surface pressure <smoothen the edges of the two parts before trying to join them together> Synonyms buff, burnish, dress, furbish, gloss, grind, rub, shine, smooth, polishRelated Words sleek, slick; coat, glaze, japan, lacquer, varnish; face, finish, veneer; brighten; file, rasp, sand, sandblast, sandpaper, scour, scrape, scrub; bob, bone, lapNear Antonyms rough (up), roughen, ruffle, scuff (up)