Antonyms of adj aerodynamic

1 of 2 senses of aerodynamic

Sense 2
streamlined, aerodynamic, flowing, sleek -- (designed or arranged to offer the least resistant to fluid flow; "a streamlined convertible")

INDIRECT (VIA smooth) -> rough, unsmooth -- (having or caused by an irregular surface; "trees with rough bark"; "rough ground"; "rough skin"; "rough blankets"; "his unsmooth face")

Similarity of adj aerodynamic

2 senses of aerodynamic

Sense 1
aerodynamic -- (of or relating to aerodynamics)

Sense 2
streamlined, aerodynamic, flowing, sleek -- (designed or arranged to offer the least resistant to fluid flow; "a streamlined convertible")
       => smooth (vs. rough) -- (having a surface free from roughness or bumps or ridges or irregularities; "smooth skin"; "a smooth tabletop"; "smooth fabric"; "a smooth road"; "water as smooth as a mirror")