feeble /ˈfiːbəl/adjective 2verb 1forms 5 adjective2 •Deficient in physical strength.Though she appeared old and feeble, she could still throw a ball. •Lacking force, vigor, or effectiveness in action or expression; faint.That was a feeble excuse for an example. verb1 •(no longer used) To make feeble; to enfeeble. formsfeebled · feebling · feebles · feebler · feeblest