Apparently a primary word; worthless (intrinsically, such; whereas poneros properly refers to effects), i.e. (subjectively) depraved, or (objectively) injuriousbad, evil, harm, ill, noisome, wicked. see GREEK poneros
Textus Receptus Greek Text
kakai1 Cor 15:33
kakaLuke 16:25, Acts 9:13, Rom 3:8, 2 Ti 4:14, Titus 1:12, 1 Pe 3:12
kakhnCol 3:5
kakoVMatt 24:48
kakouVMatt 21:41, Php 3:2, Rev 2:2