Antonyms of adj debile

1 sense of debile

Sense 1
decrepit, debile, feeble, infirm, rickety, sapless, weak, weakly -- (lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless")

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

Similarity of adj debile

1 sense of debile

Sense 1
decrepit, debile, feeble, infirm, rickety, sapless, weak, weakly -- (lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless")
       => frail (vs. robust) -- (physically weak; "an invalid's frail body")