LSJ
or Σατᾶν, ὁ, Satan, Hebr. word for adversary, opponent, LXX 3 Ki. 11.14, 23; transl. by ἐπίβουλος in LXX 1 Ki. 29.4; also accuser, transl. by ὁ διάβολος in Jb. 1.6 sq., Za. 3.1; — hence as chief of the evil spirits, the Devil, 2 Ep. Cor. 12.7 (indecl., as gen.); also Σατανᾶς, ᾶ, ὁ, LXX Jb. 2.3 (cod. A), Si. 21.27, freq. in NT, Ev. Matt. 4.10, al. ; — Adj. Σατανικός, ή, όν, PLond. 5.1731.11 (vi AD).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
Satan , i. e. an adversary, enemy : name for the Devil , [New Testament (Refs 1st c.AD)]
Hebr. word. (ML)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars