Antonyms of adj weakly

1 sense of weakly

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 weakly

1 sense of weakly

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")

Antonyms of adv weakly

1 sense of weakly

Sense 1
weakly -- (in a weak or feeble manner or to a minor degree; "weakly agreed to a compromise"; "wheezed weakly"; "he was weakly attracted to her")
       Antonym of strongly (Sense 1)
      => strongly -- (with strength or in a strong manner; "argues very strongly for his proposal"; "he was strongly opposed to the government")

Synonyms of adv weakly

1 sense of weakly

Sense 1
weakly -- (in a weak or feeble manner or to a minor degree; "weakly agreed to a compromise"; "wheezed weakly"; "he was weakly attracted to her")