Lexical Definition

‎βλασφημία‎ blasphēmía (blas-fay-me'-ah) blasphemy G:N-F
from ‎βλάσφημος‎

blasphemy, evil speaking, railing.

Usage: 5 forms in 20 verses
Form Translated As     In Verse(s)
βλασφημιών of your blasphemies LXX.Ezek.35.12
βλασφημίασ blasphemies Luke.5.21 • Rev.13.5 • Rev.13.6
blasphemy Mark.14.64 • John.10.33 • Jude.1.9
of blasphemy Rev.13.1 • Rev.17.3
βλασφημίαν blasphemy LXX.Dan.3.29 • Matt.26.65
slander Col.3.8 • Rev.2.9
βλασφημίαι blasphemies Mark.3.28
slander 1Tim.6.4
slanders Matt.15.19
βλασφημία blasphemy Matt.12.31 • Matt.12.31
slander Mark.7.22 • Eph.4.31

Abbott-Smith

βλασφημία, -ας, ἡ (< βλάσφημος), [in LXX: Ez 35:12 (נֶאָצָה), Da TH 3:29 (96) (שׁלה), To 1:18, I Mac 2:6, II Mac 8:4 10:35 15:24 * ;]
(a) railing slander: Mt 12:31 15:19, Mk 3:28 7:22, Eph 4:31, Col 3:8, I Ti 6:4, Ju 9, Re 2:9;
(b) spec., impious speech against God, blasphemy: Mt 26:65, Mk 14:64, Lk 5:21, Jo 10:33, Re 13:5; ὄνομα βλασφημίας, Re 13:1 17:3; c. gen. obj. Mt 12:31; πρὸς τ. θεόν, Re 13:6 (Cremer, 570; DB, i, 305; DCG ii, 423).†

Abbott-Smith References

Book Refs
Ezekiel 35:12
Daniel 3:29
Matthew 12:31 · 15:19 · 26:65
Mark 3:28 · 7:22 · 14:64
Luke 5:21
John 10:33
Ephesians 4:31
Colossians 3:8
1 Timothy 6:4
Jude 1:9
Revelation 2:9 · 13:1 · 13:5 · 13:6 · 17:3

Liddell-Scott-Jones

βλασφημία-ία, ἡ,

word of evil omen, profane speech, [Refs 4th c.BC+]; βλασφημίαίαν ἐφθέγξατο, at a sacrifice, [βλασφημίαοῖ β. πᾶσαν 5th-6th c.BC: Plato Philosophus “Leges” 800c; πᾶσαν β. ἱερῶν καταχέουσι [prev. work]d. ">Refs 5th c.BC+]

__2 defamation, slander, [NT+4th c.BC+]; ὅλας ἁμάξας βλασφημίαιῶν whole cart-loads of abuse, [Refs 2nd c.AD+]
__3 irreverent speech against God, blasphemy, ἡ εἰς τὸ θεῖον β. [LXX+4th c.BC+]against.., [NT]

LSJ Scripture Refs: Eph.4.31 ☩ LXX.Ezek.35.12 ☩ Matt.12.31 ☩ Rev.13.6