Antonyms of adj torturous

1 sense of torturous

Sense 1
agonizing, agonising, excruciating, harrowing, torturing, torturous, torturesome -- (extremely painful)

INDIRECT (VIA painful) -> painless -- (not causing physical or psychological pain; "painless dentistry")

Similarity of adj torturous

1 sense of torturous

Sense 1
agonizing, agonising, excruciating, harrowing, torturing, torturous, torturesome -- (extremely painful)
       => painful (vs. painless) -- (causing physical or psychological pain; "worked with painful slowness")