Strong's Definition
faithless
STEPBible — Tyndale Abridged Hebrew Lexicon
כֶּחָשׁ (ke.chash) — deceptive. deceitful, false, deceptive, lying
UBS Dictionary of Biblical Hebrew
adj · כחשׁ
False
lying = action by which humans say things that not true in order to deceive or mislead others
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[כֶּחָשׁ] adj. deceptive, false—Is 30:9 ref