This meaning describes a shape formed by repeated gentle curves rather than a straight line.
A wavy line crossed the page.
The road followed a wavy path through the hills.
This meaning describes hair with natural or styled waves between straight and curly textures.
She has long wavy hair.
His hair becomes wavy in humid weather.
This extended meaning describes visual, physical, or drawn forms that appear unstable, blurred, or irregularly curved.
The heat made the distant image look wavy.
His exhausted handwriting became wavy.