Antonyms of adj light-boned

1 sense of light-boned

Sense 1
light-boned -- (having a bone structure that is light with respect to the surrounding flesh)

INDIRECT (VIA frail) -> robust -- (sturdy and strong in form, constitution, or construction; "a robust body"; "a robust perennial")

Similarity of adj light-boned

1 sense of light-boned

Sense 1
light-boned -- (having a bone structure that is light with respect to the surrounding flesh)
       => frail (vs. robust) -- (physically weak; "an invalid's frail body")