Liddell-Scott-Jones

στυγνός (stugnos) gloomy ^G:A

στυγνός-ός, ή, όν,

hated, abhorred, of persons and things, [στυγνόςὲ δαῖμον [prev. author] “Pers.” 472; ὦ στυγνόςὸς αἰών 5th c.BC: Sophocles Tragicus “Philoctetes” 1348; λῶβαι [prev. author] “Aj.” 561, etc.">Refs 7th c.BC+]: with dative, hateful or hostile to one, [Refs 5th c.BC+]. adverb comparative -οτέρως, ἔχειν πρός τινα [Refs 2nd c.BC+]

__II gloomy, sullen, πρόσωπον [στυγνόςοὶ κλαίουσιν Ἔρωτες 2nd c.BC: Moschus Bucolicus 3.67 ">Refs 5th c.BC+]; ὁρᾶν στυγνόςός, opposed to φαιδρός, [LXX+5th c.BC+]; οἱονεὶ πυρὸς εἰσπεσόντος εἰς ὕδωρ στυγνόςὸν σέλας ἐκπέμπουσα [λιγνύς] [Refs 4th c.AD+]; σ. διαγωγαὶ καὶ ἀναγνώσεις καὶ διηγήματα, opposed to ἐρεθιστικὰ τῶν ἀφροδισίων, [Refs 2nd c.AD+]; στυγνόςὸς μὲν εἴκων δῆλος εἶ sullenly, with an ill grace, [Refs 5th c.BC+]: neuter as adverb, στυγνόςὸν οἰμώξας [Refs]

_{LSJ Scripture Refs: LXX.Isa.57.17}