General English

  • adjective with no bumps or rough parts
  • adjective with no sudden unpleasant movements


  • Having a surface which is free from roughness, projections, irregularities, or the like.
  • To polish or otherwise rid a surface of roughness, projections, irregularities, or the like.
  • To remove voltage and/or current irregularities, such as ripple, present in a signal or generated by a source.
  • To remove irregularities, inconsistencies, differences, or the like.
  • Having an even motion, movement, or trajectory.


  • adjective flat, not rough
  • verb to make something smooth


  • adjective good. An all-purpose term of approbation used by adolescents.


  • used to describe a range of characteristics of a well-balanced wine

Origin & History of “smooth”

Smooth is a mystery word, with no known relatives in any other Indo-European language. The usual term in Old English was smēthe, which survived into modern English dialect speech as smeeth. Smooth comes from the late Old English variant smōth.