STEP Greek Lexicon: ἀκέραιος

ἀκέραιος, -ον

(κεράννυμι), [in LXX: Est.8:13 * ;]

unmixed, pure, hence, metaphorically (cf. MM, VGT, see word), guileless, simple: Mat.10:16, Rom.16:19, Php.2:15.†

SYN.: ἄδολος, ἄκακος, ἁπλοῦς (cf. Ellic. on Phl., l.with; Tr., Syn., §lvi). (AS)