Strong's #106: azumos (pronounced ad'-zoo-mos)

from 1 (as a negative particle) and 2219; unleavened, i.e. (figuratively) uncorrupted; (in the neutral plural) specially (by implication) the Passover week:--unleavened (bread).

Thayer's Greek Lexicon:

̓́

azumos

1) unfermented, free from leaven or yeast

1a) of the unleavened loaves used in the paschal feast of the Jews

1b) metaphorically free from faults or the "leaven of iniquity"

Part of Speech: adjective

Relation: from G1 (as a negative particle) and G2219

Citing in TDNT: 2:902, 302

Usage:

This word is used 9 times:

 

Matthew 26:17: "the first day of the feast of unleavened bread the disciples came to Jesus,"
Mark 14:1: "the feast of the passover, and of unleavened bread: and the chief priests and"
Mark 14:12: "the first day of unleavened bread, when they killed the passover,"
Luke 22:1: "Now the feast of unleavened bread drew nigh, which is called the Passover."
Luke 22:7: "came the day of unleavened bread, when the passover"
Acts 12:3: "also. (Then were the days of unleavened bread.)"
Acts 20:6: "after the days of unleavened bread, and came unto them"
1 Corinthians 5:7: "lump, as ye are unleavened. For even Christ our"
1 Corinthians 5:8: "wickedness; but with the unleavened bread of sincerity and truth."