Open English Wordnet
Adjectives
(s)feeble, lamepathetically lacking in force or effectiveness“a feeble excuse”,
“a lame argument” (s)faint, feeblelacking strength or vigor“damning with faint praise”,
“faint resistance”,
“feeble efforts”,
“a feeble voice” (s)feeble, nervelesslacking strength“a weak, nerveless fool, devoid of energy and promptitude” (Nathaniel Hawthorne)