Antonyms of adj involute

2 senses of involute

Sense 1
involute, rolled -- (especially of petals or leaves in bud; having margins rolled inward)

INDIRECT (VIA coiled) -> uncoiled, straight -- (no longer coiled)

Sense 2
involute -- ((of some shells) closely coiled so that the axis is obscured)

INDIRECT (VIA coiled) -> uncoiled, straight -- (no longer coiled)

Similarity of adj involute

2 senses of involute

Sense 1
involute, rolled -- (especially of petals or leaves in bud; having margins rolled inward)
       => coiled (vs. uncoiled) -- (curled or wound (especially in concentric rings or spirals); "a coiled snake ready to strike"; "the rope lay coiled on the deck")

Sense 2
involute -- ((of some shells) closely coiled so that the axis is obscured)
       => coiled (vs. uncoiled) -- (curled or wound (especially in concentric rings or spirals); "a coiled snake ready to strike"; "the rope lay coiled on the deck")