- Original: ἄπταιστος - Transliteration: Aptaistos - Phonetic: ap-tah'-ee-stos - Definition: 1. not stumbling, standing firm, exempt from falling - Origin: from G1 (as a negative particle) and a derivative of G4417 - TDNT entry: None - Part(s) of speech: Adjective - Strong's: From G1 (as a negative particle) and a derivative of G4417 ; not stumbling that is (figuratively) without sin: - from falling. Total KJV Occurrences: 1 • falling, 1 Jude 1:24