Deceitful means in the habit of lying to get what you want. A deceitful man, deceitful conduct, deceitful and cowardly.
It describes a settled character rather than a single lie, which is what makes it a heavier charge than dishonest. The noun behind deceitful names a specific civil wrong: a false statement made knowingly and relied upon to somebody's cost.
1adjectivedeceitfulIn the habit of lying to get what you want.
“The deceitful salesman told us the car had never been in an accident.”
deceitful is a quality.
From deceit, from Old French deceite, from Latin decipere, to catch or ensnare.
Proto-Indo-European
*kap-
English, today
deceitful
From deceit + ful.
Etymology from Wiktionary, CC BY-SA