weakly weakly /ˈwiːkli/

adjective

1. Lacking bodily or muscular strength or vitality  ( debile [Archaic] , decrepit , feeble , infirm , rickety , sapless , weak , weakly )
   lacking bodily or muscular strength or vitality
    A feeble old woman
   a feeble old woman
    Her body looked sapless
   her body looked sapless
   

adverb

1. () In a weak or feeble manner or to a minor degree  ( weakly )
   in a weak or feeble manner or to a minor degree
    Weakly agreed to a compromise
   weakly agreed to a compromise
    Wheezed weakly
   wheezed weakly
    He was weakly attracted to her
   he was weakly attracted to her