Strong's Definition
a primitive root; to lie (i.e. deceive), literally or figuratively
KJV Usage: fail, (be found a, make a) liar, lie, lying, be in vain
STEPBible — Tyndale Abridged Hebrew Lexicon
כָּזַב (ka.zav) — to lie. 1) to lie, tell a lie, be a liar, be found a liar, be in vain, fail 1a) (Qal) liar (participle) 1b) (Niphal) to be proven to be lying 1c) (Piel) 1c1) to lie, tell a lie, tell a lie with, deceive 1c2) to disappoint, fail 1d) (Hiphil) to make a liar, prove to be a liar
UBS Dictionary of Biblical Hebrew
verb · כָּזָב
False | verb qal, verb pi
to lie, to utter lies = action by which a human or deity says or reveals something that is not true
NUM 23:19 · 2KI 4:16 · JOB 6:28 · JOB 34:6 · PSA 78:36 · PSA 89:36 · PSA 116:11 · PRO 14:5 · ISA 57:11 · ISA 58:11 · EZK 13:19 · MIC 2:11 · HAB 2:3
Unfaithful | verb nif, verb hif
to prove someone to be a liar = causative action by which human show or prove other humans to be telling a lie
Fail | verb nif
to be disappointed = process by which something or someone is shown to be untrue
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[כָּזַב] vb. lie, be a liar Qal Pt.
Niph. his hope has been made deceptive
Pi. lie, tell a lie
disappoint, fail
Hiph. who will make me a liar? i.e. prove me to be so
base