Meaning
primarily denotes "unpunished" (a, negative, thoe, "a penalty"); then, "innocent," Mat 27:4, "innocent blood," i.e., the blood of an "innocent" person, the word "blood" being used both by synecdoche (a part standing for the whole), and by metonymy (one thing standing for another), i.e., for death by execution (some mss. have dikaion, "righteous"); Mat 27:24, where Pilate speaks of himself as "innocent."
<2,,172, akakos>
lit., "not bad" (a, negative, kakos, "bad"), denotes "guileless, innocent," Rom 16:18, RV, "innocent" (AV, "simple"); "harmless" in Heb 7:26. See HARMLESS.