Antonyms of adj refractive

1 of 2 senses of refractive

Sense 2
deflective, refractive -- (capable of changing the direction (of a light or sound wave))

INDIRECT (VIA crooked) -> straight -- (having no deviations; "straight lines"; "straight roads across the desert"; "straight teeth"; "straight shoulders")

Similarity of adj refractive

2 senses of refractive

Sense 1
refractive, refractile -- (of or relating to or capable of refraction; "the refractive characteristics of the eye")

Sense 2
deflective, refractive -- (capable of changing the direction (of a light or sound wave))
       => crooked (vs. straight) -- (having or marked by bends or angles; not straight or aligned; "crooked country roads"; "crooked teeth")