smoother

/ˈsmuːðər/
noun
  1. A tool or substance used to make a surface flat or even.
    • She applied a fabric smoother to remove wrinkles from the dress.
    • The carpenter used a smoother to finish the wooden tabletop.
    • A paint smoother helps remove brush strokes from the wall.
adjective
  1. Comparative form of smooth: having a flatter, more even, or less rough surface than something else.
    • The new highway is much smoother than the old bumpy road.
    • She prefers a smoother finish on her paintings.
    • This lotion makes my skin smoother than before.
  2. More free from difficulties, problems, or interruptions.
    • Their relationship became smoother after they talked openly.
    • With better planning, the event ran smoother this year.
    • The updated software provides a smoother user experience.