Antonyms of adj boat-shaped

1 sense of boat-shaped

Sense 1
boat-shaped -- (having a concave shape like a boat)

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

Similarity of adj boat-shaped

1 sense of boat-shaped

Sense 1
boat-shaped -- (having a concave shape like a boat)
       => concave (vs. convex) -- (curving inward)