Quick Definition
βλασφημία, ας, ἡ n.f. abusive or scurrilous language, blasphemy
Strong's Definition
from 989; vilification (especially against God)
KJV Usage: blasphemy, evil speaking, railing
UBS Dictionary of the Greek New Testament
noun, f. | -ας | βλασφημέω
33.400 · Communication · Insult, Slander
to revile, to defame, to blaspheme, reviling to speak against someone in such a way as to harm or injure his or her reputation (occurring in relation to persons as well as to divine beings) One way in which βλασφημέω and βλασφημία[a] were used in speaking of defaming God was by claiming some kind of equality with God. Any such statement was regarded by the Jews of biblical times as being harmful and injurious to the nature of God.
MAT 15:19 · MRK 7:22 · JHN 10:33 · EPH 4:31 · COL 3:8 · 1TI 6:4 · JUD 1:9 · REV 2:9
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
βλασφημία, -as, 9, railing, reviling, (Vulg. blasphemia) ; a. univ. slander, detraction, speech injurious to another’s good name : Mt. xii. 31; xv. 19; Mk. iii. 28; vii. 22; Eph. iv. 31; Col. iii. 8; 1 Tim. vi. 4; Jude 9 (κρίσις βλασφημίας, i. 4. κρίσις βλάσφημος in 2 Pet. ii. 11, a judgment pronounced in reproachful terms); Rev.ii.9. ὍὌ. specifically, impious and reproachful speech injurious to the divine majesty: Mt. xxvi. 65; Mk. ii. 7 [RG]; xiv. 64; Lk. v. 21; Jn. x. 33; Rev. xiii. 5 [not Lehm.]; ὄνομα or ὀνόματα βλασφημίας i. q. βλάσφημα (cf. W. § 34, 3 b.; [B. § 132, 10]): Rev. xiii. 1; xvii. 3 [RG Tr, see γέμω]; τοῦ πνεύματος, gen. οὗ obj., Mt. xii. 31; πρὸς τὸν θεόν, Rev. xiii. 6. (Eur., Plat., Dem., al.; for ΠΣ), Ezek. xxxv. 12.) [BB.DD. 5. ν. Blasphemy; Campbell, Diss. on the Gospels, diss. ix. pt. ii.]
Mounce Concise Greek Dictionary
βλασφημία blasphēmia 18x
slander, railing, reproach, Mt. 15:19; Mk. 7:22; blasphemy, Mt. 12:31; 26:65
Abbott-Smith Greek Lexicon
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 * ;]
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;
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).†
Liddell-Scott-Jones — Greek-English Lexicon
βλασφημία (blasphēmia) — blasphemy. βλασφημ-ία, ἡ, word of evil omen, profane speech, [Refs 4th c.BC+]; βλασφημίαν ἐφθέγξατο, at a sacrifice, [Refs 5th c.BC+]
2. defamation, slander, [NT+4th c.BC+]; ὅλας ἁμάξας βλασφημιῶν 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]