Lexical Definition

‎σκληρός‎ sklērós (sklay-ros') hard G:A / G:ADV
from the base of ‎σκέλος‎

fierce, hard.

Usage: 11 forms in 55 verses
Form Translated As     In Verse(s)
σκληρῶν harsh Jude.1.15
strong Jas.3.4
σκληρὸσ hard Matt.25.24
σκληρών hard LXX.Exod.6.9 • LXX.Isa.19.4
recalcitrant LXX.Num.16.26 • LXX.Jer.30.15
σκληρώ a harsh LXX.Isa.27.8
σκληρότεροί hard LXX.2Sam.3.39
σκληρόσ A recalcitrant LXX.Prov.29.19
Difficult John.6.60
a harsh LXX.1Kgs.14.6
firm indeed LXX.Job.22.21
hard LXX.2Sam.2.17 • LXX.Job.9.4 • LXX.Prov.27.16 • LXX.Prov.28.14 • LXX.Eccl.7.17 • LXX.Song.8.6 • LXX.Isa.28.2
stubborn LXX.Gen.49.3 • LXX.Gen.49.3
was recalcitrant LXX.1Sam.25.3
you are hardened LXX.Isa.48.4
σκληρόν a hard LXX.Prov.17.27 • LXX.Isa.5.30
hard LXX.Gen.21.11 • LXX.Gen.21.12 • LXX.Gen.45.5 • LXX.Deut.15.18 • LXX.Deut.31.27 • LXX.Isa.8.12 • LXX.Isa.21.2 • Acts.9.5 • Acts.26.14
is hard LXX.Isa.8.12
might be hard LXX.Deut.1.17
σκληροίσ hard LXX.Exod.1.14
σκληροί hard LXX.Isa.19.4
σκληράσ hard LXX.1Kgs.12.4 • LXX.2Chr.10.4 • LXX.Ps.17.4 • LXX.Isa.14.3
recalcitrant LXX.Judg.2.19
σκληρά a hard LXX.1Sam.1.15
hard LXX.Gen.42.7 • LXX.Gen.42.30 • LXX.Deut.26.6 • LXX.1Sam.5.7 • LXX.1Kgs.12.13 • LXX.2Chr.10.13 • LXX.Ps.60.3
harsh LXX.Prov.18.23 • LXX.Zeph.1.14
harshly LXX.Isa.8.21

Abbott-Smith

σκληρός, -ά, -όν (< σκέλλω, to dry), [in LXX chiefly for קָשָׁה ;]
hard to the touch, rough, harsh, (opp. to μαλακός); metaph., in various uses;
(a) of men, hard, stern, severe: Mt 25:24;
(b) of things, hard, rough, violent: σκληρόν σοι (ἐστι), Ac 26:14; λόγος, Jo 6:60; ἄνεμος, Ja 3:4; σκληρὰ λαλεῖν, Ju 15.†
SYN.: αὐστηρός, q.v

Abbott-Smith References

Book Refs
Matthew 25:24
John 6:60
Acts 26:14
James 3:4
Jude 1:15

Liddell-Scott-Jones

σκληρός, ά, όν,

also Doric dialect, [Refs 5th c.BC+], hyperdorian mode σκλᾱρός [Refs 5th c.BC+]:— hard, opposed to μαλακός in all senses:

__I hard to the touch, ξύλον σ. ἢ μαλακόν [Refs 6th c.BC+]; ἐλαία Pi.[same place]; γῆ [Refs 5th c.BC+]
__I.2 of sound, harsh, σκληρὸν ἐβρόντησε [Refs 8th c.BC+]
__I.3 of taste and smell, harsh, bitter, σ. ὕδατα (springing from a rocky soil) [Refs 5th c.BC+]; of wine, dry, [Refs 5th c.BC+]: metaphorically, σ. φράσις [Refs 1st c.BC+]
__I.4 stiff, unyielding, opposed to ὑγρός (lithe and supple), τιτθία σ. καὶ κυδώνια [Refs 5th c.BC+]; of the hair (compare σκληρόθριξ), [Refs 4th c.BC+]; σ. δέρμα, σάρξ, [Refs]; of persons, [Refs 5th c.BC+]; of dogs, [Refs 5th c.BC+]; οἱ τὸ σῶμα σ. [Refs 4th c.BC+]
__I.5 κοιλίη σ. costive, [Refs 5th c.BC+]
__I.6 of light, strong, ἐν σ. αὐγῇ ἢ μαλακῇ [Refs]
__I.7 of a wind, strong, [NT+2nd c.AD+]
__II metaphorically,
__II.1 of things, hard, austere, μὴ τὰ μαλακὰ μῶσο, μὴ τὰ σ. ἔχῃς [Refs 5th c.BC+]; τὰ σ. hard words, [Refs 5th c.BC+]; τόνος ἀπηνὴς καὶ σ. [Refs 1st c.AD+]; τὸ σ. ={σκληρότης}, ἡ δίαιτα.. ὑπερβάλλει ἐπὶ τὸ σ. [Refs 4th c.BC+]
__II.2 of persons, harsh, austere, cruel, stubborn, [Refs 5th c.BC+]; σ. ἀοιδός, of the Sphinx, [σκληρός [prev. author] “Pax” 350 ">Refs 5th c.BC+]; ἄγροικοι καὶ σ. [Refs 5th c.BC+]; σ. θράσος stubborn courage, [Refs 5th c.BC+]
__III adverb, -ρῶς καθῆσθαι, i.e. on a hard seat, [Refs 5th c.BC+]
__III.2 hardly, with difficulty, [Refs 5th c.BC+]
__III.3 harshly, obstinately, σ. διαμάχεσθαι [Refs 5th c.BC+]; ἀπειλεῖν[Refs 4th c.BC+]

LSJ Scripture Refs: Jas.3.4