concave Antonyms

convex U-shaped orbiculate orbicular orbed moniliform lumbriciform lentiform jutting hunched hummocky hogged hemispherical hemispheric helmet-shaped globed globated oval projecting planoconvex nonconcave orangish crescent-shaped bulblike blueish swollen stooped spheroid spheric spherical regal pyriform protuberant protrusive protruding gibbous gibbose fungiform campaniform bulgy bronzy broken-backed bowed biconvex bellying bell-shaped ballooning arcuate arched annulated