aerodynamic
adj.adj. having a shape that helps an object move quickly through air. You use this to describe things like fast cars or planes that are built to reduce wind resistance.
adj. relating to the properties of moving air and the interaction between the air and solid bodies moving through it. Often describes shapes designed to minimize drag and maximize efficiency.
The new sports car has a very aerodynamic shape.
Engineers designed the bicycle helmet to be more aerodynamic, helping the racer shave seconds off her time.
Modern aircraft utilize sophisticated winglets and tapered fuselages to remain aerodynamic, significantly reducing fuel consumption by minimizing the turbulence created at high speeds.
From aero- + dynamic, after aerodynamics. Compare French aérodynamique and German aerodynamisch.
Typically used attributively before a noun or predicatively after a linking verb like 'is' or 'looks'.