1. Lacking obstructions or difficulties
2. Having a surface free from roughness or bumps or ridges or irregularities
3. (Botany) Of the margin of a leaf shape; not broken up into teeth.

1. To free from obstructions; SYN. smooth out.
2. To make smooth or smoother, as if by rubbing; SYN. smoothen.

1. A smooth part
2. The act of smoothing
3. A smoothing implement
4. The act of smoothing

1. To eliminate irregularities in statistical data by some process such as continuous averaging or by removing random (irrelevant) values.
2. In graphics, to remove jagged edges from a figure or line. See also anti-aliasing.