Definitions

1. adjective

lacking in strength or power; weak or feeble

“The infeeble old man had to rely on others for support.”

2. adverb

in a feeble or weak manner

“She spoke infeeble and hesitantly, unsure of what to say.”

3. noun

a state of being weak or feeble

“After the illness, he experienced a period of infeeble and struggled to recover.”