G5579
ψεῦδος
lie
ψεῦδος, -εος (-ους), τό [in LXX chiefly for שֶׁקֶר, also for כַּחַשׁ, כָּזָב ;] a falsehood, untruth, lie: Rev.14:15; opposite to ἡ ἀλήθεια, Jhn.8:44, Rom.1:25, Eph.4:25, 2Th.2:11, 1Jn.2:21; to τὸ ἀληθές, 1Jn.2:27; ποιεῖν ψ., Rev.21:27 22:15; ἐν πάσῃ δυνάμει κ. σημείοις κ. τέρασιν ψεύδους (genitive qual., see M, Th., 104; and on the meaning and construction, see also ICC, in l), 2Th.2:9.† (AS)
The KJV translates G5579 in the following manner:
lie (14x), lying (4x)
Full Thayer's lexicon entry
ψεῦδος — pseûdos
ψεῦδος, ψευδοῦς, τό, from Homer down, the Sept. for כָּזָב שֶׁקֶר, כַּחַשׁ, a lie; conscious and intentional falsehood: universally, Rev 14:5 (where Rec. δόλος); opposed to ἡ ἀλήθεια, Joh 8:44; Eph 4:25; οὐκ ἐστι ψεῦδος, opposed to ἀληθές ἐστιν, is no lie, 1Jn 2:27; τέρατα ψευδοῦς (A. V. lying wonders) exhibited for the treacherous purpose of deceiving men, 2Th 2:9; in a broad sense, whatever is not what it professes to be: so of perverse, impious, deceitful precepts, 2Th 2:11; 1Jn 2:21; of idolatry, Rom 1:25; ποιεῖν ψεῦδος, to act in accordance with the precepts and principles of idolatry, Rev 21:27; Rev 22:15 (cf. Rev 21:8 and p. 526b middle).
10 occurrences
John (1), Romans (1), Ephesians (1), II Thessalonians (2), I John (2), Revelation of John (3)