feebly

/ˈfiːbli/
adverb
  1. In a way that shows a lack of strength, force, or effectiveness.
    • The candle flame flickered feebly in the drafty room.
    • The injured bird flapped its wings feebly, unable to fly.
    • He feebly protested the decision, knowing it would not change anything.
Antonyms
What does "feebly" mean? | whatsthatwordmean | whatsthatwordmean