adjective / verb / noun
smooth
SMOOTH/smuːð/
Free from rough irregularities.
The finished board has a smooth surface unlike the splintery offcut beside it.

Etymology
Old English smoð already described freedom from roughness, so the modern surface sense preserves an old meaning. Its deeper origin is unknown, with no known cognates.
In context
you might think that the skin is very smooth but if we get in close you can see that even in this very realistic painting there's some texture on the surface
More examples
- She smooths the wet clay with her thumb.
- Sand the board until every edge is smooth.
- This fabric is smoother on one side than the other.
Forms
smooth · smoother · smoothest · smooths · smoothed · smoothing
smoothness noun — The quality of having no surface roughness.
Similar words
- even
- Emphasizes uniform height or texture rather than lack of roughness.
- polished
- Describes a surface made smooth and often shiny by rubbing.