Aerodynamic
Part of speech: adjective
Definition: of, or relating to the science of aerodynamics having a shape that reduces drag when moving through the air
Streamlined
Part of speech: adjective
Definition: Designed to offer little resistance to the flow of fluid, especially by having sleek, graceful lines.Having been made more simple and straight forward.
Part of speech: verb
Definition: To design and construct the contours of a vehicle etc. so as to offer the least resistance to its flow through a fluid.
Example sentence: My style is streamlined, sophisticated and simple, so I usually go for a dress. No matching involved. I am bad at matching! I like easy and when you're done, it looks like a second skin. I wear dresses every day for that reason. It's easy!