weakling /ˈwiːkˈlɪŋɡ/noun 2adjective 1forms 1 noun2 •A person of weak or even sickly physical constitution. •(figurative) A person of weak character, lacking in courage and/or moral strength.We may not be weaklings because we have a strong enemy. — 1551 adjective1 •weak, either physically, morally or mentally formsweaklings