Lexical Definition

‎μωρός‎ mōrós (mo-ros') foolish G:A
probably from the base of ‎μυστήριον‎

fool(-ish, X -ishness).

Usage: 13 forms in 21 verses
Form Translated As     In Verse(s)
μωρῷ foolish Matt.7.26
μωρὸσ foolish 1Cor.3.18
μωρὸν foolishness 1Cor.1.25
μωρὰσ foolish 2Tim.2.23Titus.3.9
μωρὰ foolish things 1Cor.1.27
μωρώ moron LXX.Isa.32.5
μωρόσ O moronish LXX.Jer.5.21
moron LXX.Isa.32.6
moronish LXX.Deut.32.6
μωρόν moron LXX.Job.16.7
μωροὶ Foolish Matt.23.17Matt.23.19
fools 1Cor.4.10
μωροί O moron LXX.Ps.94.8
will be morons LXX.Isa.19.11
μωραὶ foolish Matt.25.2Matt.25.3
the foolish Matt.25.8
μωρέ Fool Matt.5.22
μωρά moronish LXX.Isa.32.6

Abbott-Smith

μωρός, -ά, -όν, [in LXX for נָבָל, etc.; freq. in Si.;]
1. prop., of the nerves, dull, sluggish (Hipp., Arist.).
2. Of the mind, dull, stupid, foolish: Mt 5:22 (v. Field, Notes, 3 ff.) 7:26 23:17, 19 (T, WH, txt., R, om.) Mt 25:2, >3, 8, I Co 3:18 4:10; of things, παράδοσις, Mk 7:13 (T, WH, txt., R, om.): ζητήσεις, II Ti 2:23, Tit 3:9; τὸ μ. τ. θεοῦ, I Co 1:25; τὰ μ. τ. κόσμου, I Co 1:27.†

Abbott-Smith References

Book Refs
Matthew 5:22 · 7:26 · 23:17 · 23:19 · 25:2 · 25:3 · 25:8
Mark 7:13
1 Corinthians 1:25 · 1:27 · 3:18 · 4:10
2 Timothy 2:23
Titus 3:9

Liddell-Scott-Jones

μωρός, , όν,

Attic dialect μῶρος Hdn.Gr. 1.192: μῶρος as feminine, [Refs 5th c.BC+], but accusative μῶραν [Refs 3rd c.BC+]:—dull, sluggish, of the nerves, [Refs 5th c.BC+]; χειμῶνος ἀρχομένου μ. γίνονται οἱ ἐργάται [τῶν σφηκῶν] [Refs 4th c.BC+]

__2 of persons, dull, stupid, μωροῦ φωτὸς ἅδε βουλά [NT+5th c.BC+]: comparative in proverbial, μωρότερος Μορύχου [Refs 5th c.BC+]: superlative, [Refs 5th c.BC+]
__2.b in a religious sense, λαὸς μ. καὶ ἀκάρδιος [LXX]
__3 of things, δέδοικα μῶρον πυραύστου μόρον [Refs 5th c.BC+]; τὸ μ. folly, [NT+5th c.BC+]; μῶρα φρονεῖν, φωνεῖν, δρᾶν, [LXX+5th c.BC+]
__3.b μ. ἀνάγκη blind necessity, [Refs 4th c.BC+]
__4 of taste, insipid, flat, Comedy texts Adesp.[Refs 1st c.AD+]
__II adverb -ρως [Refs 5th c.BC+]. (Cf. Sanskrit mūrás 'idiot'.)

LSJ Scripture Refs: Matt.7.26LXX.Jer.5.211Cor.1.25LXX.Isa.32.6