STRONGS NT 106: ἄζυμος

ἄζυμος, (ζύμη), Hebrew מַצָּה, unfermented, free from leaven; properly: ἄρτοι Exodus 29:2; Josephus, Antiquities 3, 6, 6; hence the neuter plural τά ἄζυμα, מַצּות, unleavened loaves; ἡ ἑορτή τῶν ἀζύμων, הַמַּצּות חַג, the (paschal) festival at which for seven days the Israelites were accustomed to eat unleavened bread in commemoration of their exit from Egypt (Exodus 23:15; Leviticus 23:6), Luke 22:1; ἡ πρώτη (namely, ἡμέρα) τῶν ἀζύμων. Matthew 26:17; Mark 14:12; Luke 22:7; αἱ ἡμέραι τῶν ἀζύμων. Acts 12:3; Acts 20:6; the paschal festival itself is called τά ἄζυμα, Mark 14:1 (cf. 1 Esdr. 1:10, 19; Winers Grammar, 176 (166); Buttmann, 23 (21)). Figuratively: Christians, if such as they ought to be, are called ἄζυμοι i. e. devoid of the leaven of iniquity, free from faults, 1 Corinthians 5:7; and are admonished ἑορτάζειν ἐν ἀζύμοις εἰλικρινείας, to keep festival with the unleavened bread of sincerity and truth, 1 Corinthians 5:8. (The word occurs twice in secular authors, viz. Athen. 3, 74 (ἄρτον) ἄζυμον, Plato, Tim., p. 74 d. ἄζυμος σάρξ flesh not yet quite formed (add Galen de alim. fac. 1, 2).)