Antonyms of adj big-boned

1 sense of big-boned

Sense 1
big-boned -- (having a bone structure that is massive in contrast with the surrounding flesh)

INDIRECT (VIA robust) -> frail -- (physically weak; "an invalid's frail body")

Similarity of adj big-boned

1 sense of big-boned

Sense 1
big-boned -- (having a bone structure that is massive in contrast with the surrounding flesh)
       => robust (vs. frail) -- (sturdy and strong in form, constitution, or construction; "a robust body"; "a robust perennial")