Part of speech: Adjective
having a surface free from roughness or bumps or ridges or irregularities
Example: smooth skin; a smooth tabletop; smooth fabric; a smooth road; water as smooth as a mirror
Part of speech: Adjective
of the margin of a leaf shape; not broken up into teeth
Part of speech: Adjective
of motion that runs or flows or proceeds without jolts or turbulence
Example: a smooth ride
Part of speech: Adjective
lacking obstructions or difficulties
Example: the bill's path through the legislature was smooth and orderly
Smoothen, Shine, Liquid, Still, Politic
The word "smooth" comes from Proto-Germanic *smanþaz. It started in Old English smēþe. Then it appeared in Old English smōþ. Later, people used it in Middle English smoothe. Many other languages have similar words:.
Each language in this chain added phonetic changes that transformed the original sound.