Abbott-Smith Manual Greek Lexicon
ψευδής (G5571)
3 ψευδής , -ές ( ψεύδομαι ), [in LXX for שֶׁקֶר , שָׁוְא , כָּזָב ; etc. ;] lying, false, untrue (of persons and things): Re 2:2 ; μάρτυρες , Ac 6:13 ; as subst., ὁ ψ. , a liar : Re 21:8 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain