Strong's Concordance G82

Original Word: ἄδηλος
Transliteration: ádēlos
Phonetic Spelling: ad'-ay-los
[ἄδηλος] from G1 (as a negative particle) and G1212; hidden, figuratively, indistinct

Usages throughout the bible

Luke 11:44 - Woe unto you, scribes and Pharisees, hypocrites! for ye are as graves which appear not, G82 and the men that walk over them are not aware of them.

1 Corinthians 14:8 - For if the trumpet give an uncertain G82 sound, who shall prepare himself to the battle?