Strong's #530: hapax (pronounced hap'-ax)

probably from 537; one (or a single) time (numerically or conclusively):--once.

Thayer's Greek Lexicon:

̔́

hapax

1) once, one time

2) once for all

Part of Speech: adverb

Relation: probably from G537

Citing in TDNT: 1:381, 64

Usage:

This word is used 15 times:

 

2 Corinthians 11:25: "Thrice was I beaten with rods, once was I stoned, thrice I suffered shipwreck, a night and a day I have been"
Philippians 4:16: "Thessalonica ye sent once and again unto my"
1 Thessalonians 2:18: "even I Paul, once and again; but"
Hebrews 6:4: "For it is impossible for those who were once enlightened, and have tasted of the heavenly"
Hebrews 9:7: "went the high priest alone once every year, not without blood,"
Hebrews 9:26: "of the world: but now once in the end of the world"
Hebrews 9:27: "as it is appointed unto men once to die, but after"
Hebrews 9:28: "So Christ was once offered to bear the sins of many; and unto them that look for"
Hebrews 10:2: "have ceased to be offered? because that the worshipers once purged should have had no more"
Hebrews 12:26: "he hath promised, saying, Yet once more I shake not the"
Hebrews 12:27: "And this word, Yet once more, signifieth the removing of those things that are shaken,"
1 Peter 3:18: "For Christ also hath once suffered for sins, the just"
1 Peter 3:20: "Which sometime were disobedient, when once the longsuffering of God waited"
Jude 1:3: "and exhort you that ye should earnestly contend for the faith which was once delivered unto the saints."
Jude 1:5: "will therefore put you in remembrance, though ye once knew this, how that"