adjective🔗ShareIndefenso, sin defensaWithout defence; undefended."The baby bird, having fallen from its nest, lay defenceless on the ground, vulnerable to predators. "El pajarito, que se había caído de su nido, yacía indefenso en el suelo, vulnerable a los depredadores.militarywarnatureconditionsocietyChat with AIVocabulary GamePractice Reading