1. feeble, lame

pathetically lacking in force or effectiveness

Example Sentences:
'a feeble excuse'
'a lame argument'

• lame

2. faint, feeble

lacking strength or vigor

Example Sentences:
'damning with faint praise'
'faint resistance'
'feeble efforts'
'a feeble voice'

• faint

3. debile, decrepit, feeble, infirm, rickety, sapless, weak, weakly

lacking bodily or muscular strength or vitality

Example Sentences:
'a feeble old woman'
'her body looked sapless'

• debile
• decrepit
• infirm
• rickety
• sapless
• weak
• weakly

4. feeble, nerveless

lacking strength

Example Sentences:
'a weak, nerveless fool, devoid of energy and promptitude'

• nerveless