helplessPronunciation: /ˈhɛlplɪs/Translate helpless | into French | into German | into Italian | into Spanish Definition of helpless adjective unable to defend oneself or to act without help:the cubs are born blind and helpless uncontrollable:they burst into helpless laughterDerivatives helplessly adverb helplessness noun helpless in other Oxford dictionaries Definition of helpless in the US English dictionary