From kazab; falsehood; by implication treachery -- liar, lie.
see HEBREW kazab
H391. akzab
אַכְזָב adjective deceptive, disappointing (elative; opposed to אֵיתָן q. v. below יתן) — only absolute singular: — Micah 1:14 (with play on proper name אַכְזִיב); of a deceptive, disappointing stream (compare Isaiah 58:11) Jeremiah 15:18 ("" נֶאְמָ֑נוּ לֹא מַיִם; on meaning compare Job 6:15ff.)