Quick Definition
νεανίσκος, ου, ὁ n.m. a young man
Strong's Definition
from the same as 3494; a youth (under forty)
KJV Usage: young man
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
νεανίσκος, -ov, 6, (fr. vedv, see veavias; on the ending -ioxos, -ioxn, which has dimin. force, as ἀνθρωπίσκος, βασιλίσκος, παιδίσκη, etc., cf. Βείπι. Ausf. Spr. ii. p. 443), fr. Hdt. down; Sept. chiefly for 33 and 13; a young man, youth: Mt. xix. 20, 22; Mk. xiv. 51°; xvi. 5; Lk. vii. 14; Acts ii. 17; [and LT Tr WH in xxiii. 18 (here WH mrg. only), 22]; 1 Jn. ii. 13 sq.; like yy) (2 5. ii. 14; Gen. xiv. 24, ete.; ef. Germ. Bursche, Knappe i. q. Knabe, (ef. our colloquial “boys”, “lads 7) used of a young attendant or servant: so the plur. in Mk. xiv. 51 Rec.; Acts v. 10.
Mounce Concise Greek Dictionary
νεανίσκος neaniskos 11x
a young man, youth, Mk. 14:51; 16:5; used of one in the prime of life, Mt. 19:20, 22; νεανίσκοι, soldiers, Mk. 14:51
Abbott-Smith Greek Lexicon
νεανίσκος, -ου, ὁ
(dimin. of νεανίας), [in LXX chiefly for נַעַר, also for בָּחוּר, etc.;]
a young man, youth: Mt 19:20, 22, Mk 14:51 16:5, Lk 7:14, Ac 2:17(LXX) 23:18, 22, I Jo 2:13, 14; of an attendant (cf. Ge 14:24, al.): Ac 5:10.†
Liddell-Scott-Jones — Greek-English Lexicon
νεανίσκος (neaniskos) — young man. νεᾱνισκ-ος, Ionic dialect νεην-, ὁ, (νεάν) youth, young man, [Refs 5th c.BC+]; ν. τὸ εἶδος (nisi to be read νεανικός) [Refs 5th c.BC+]; but in [Refs 5th c.BC+] and the eldest son of Socrates is called νεανίσκος [Refs 5th c.BC+] in later Gr., Wilcken [NT+3rd c.BC+]
2. ὁ ἐμὸς ν. my young man, i.e. servant, [NT+3rd c.BC+]