Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb streamline

1 sense of streamline

Sense 1
streamline -- (contour economically or efficiently)
       => contour -- (form the contours of)

Antonyms of adj streamlined

2 senses of streamlined

Sense 1
streamlined -- (made efficient by stripping off nonessentials; "short streamlined meetings"; "a streamlined hiring process")

INDIRECT (VIA efficient) -> inefficient -- (not producing desired results; wasteful; "an inefficient campaign against drugs"; "outdated and inefficient design and methods")

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 streamlined

2 senses of streamlined

Sense 1
streamlined -- (made efficient by stripping off nonessentials; "short streamlined meetings"; "a streamlined hiring process")
       => efficient (vs. inefficient) -- (being effective without wasting time or effort or expense; "an efficient production manager"; "efficient engines save gas")

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")