| | Lexicon aiphnidios: suddenOriginal Word: αἰφνίδιος, ονPart of Speech: AdjectiveTransliteration: aiphnidiosPhonetic Spelling: (aheef-nid'-ee-os)Short Definition: unexpected, suddenDefinition: unexpected, sudden. NAS Exhaustive ConcordanceWord Origin from aiphnés (suddenly)Definition suddenNASB Translation suddenly (2). 
Thayer'sSTRONGS NT 160: αἰφνίδιοςαἰφνίδιος ,  (αἰφνης , ἀφανής , ἄφνω , which see), unexpected, sudden, unforeseen : Luke 21:34  (here WH ἐφνιδ. , see their Introductory § 404 and Appendix, p. 151); 1 Thessalonians 5:8 . (Wis. 17:14; 2 Macc. 14:17; 3Macc. 3:24; Aeschylus , Thucydides  2, 61 τό αἰφνίδιον καί ἀπροσδόκητον , Polybius , Josephus , Plutarch , Dionysius Halicarnassus , others.) STRONGS NT 160: ἐφνιδιος [ἐφνιδιος, see  αἰφνίδιος.]   
 
 
 
Strong's sudden, unawares.  From a compound of a (as a negative particle) and phaino (compare exaiphnes) (meaning non-apparent); unexpected, i.e. (adverbially) suddenly -- sudden, unawares.  see GREEK a  see GREEK phaino  see GREEK exaiphnes  | 
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