Extended Strong's Greek Lexicon (Abbott-Smith based)
blameless
Usage: ἄ-μεμπτος, -ον (μέμφομσι), [in LXX chiefly for תָּם ;] blameless, free from fault (in π. of a marriage-contract; M, Th., I, 3:13; cf. MM, VGT, see word): Luk.1:6, Php.2:15 3:6, 1Th.3:13 (WH, mg., -ως) Heb.8:7.† SYN.: ἄμωμος, ἀνέγκλητος, ἀνεπίλημπτος, which see (Tr., Syn., § ciii) (AS)