Antonyms of adj cupulate

1 sense of cupulate

Sense 1
cupular, cupulate -- (shaped like (or supporting) a cupule)

INDIRECT (VIA concave) -> convex, bulging -- (curving or bulging outward)

Similarity of adj cupulate

1 sense of cupulate

Sense 1
cupular, cupulate -- (shaped like (or supporting) a cupule)
       => concave (vs. convex) -- (curving inward)