Answer: smoothest

AnswerCrossword Clue
SMOOTHESTHaving the fewest hiccups
SMOOTHESTMost equable
smoothest(of a person or their manner, actions, or words) Suavely charming in a way considered to be unctuous
smoothestDenoting the face of a tennis or squash racket without the projecting loops from the stringing process (used as a call when the racket is spun to decide the right to serve first or to choose ends); the opposite of rough
smoothest(of the sea or another body of water) Without heavy waves; calm
smoothest(of movement) Without jerks
smoothestSMOOTH, not rough also SMOOTHE
smoothest(of a person's face or skin) Not wrinkled, pitted, or hairy
smoothest(of a liquid) With an even consistency; without lumps
smoothestHaving an even and regular surface or consistency; free from perceptible projections, lumps, or indentations
smoothest(of food or drink) Without harshness or bitterness
smoothest(of an action, event, or process) Without problems or difficulties