- crookback, crookbacked, humped, humpbacked, hunchback, hunchbacked, gibbous, kyphotic - characteristic of or suffering from kyphosis, an abnormality of the vertebral column
Antonyms: fit, healthy (indirect, via unfit)
- gibbous, gibbose - (used of the moon) more than half full
Antonym: concave (indirect, via convex)