Meaning : Intended to deceive.
Example :
Deceitful advertising.
Fallacious testimony.
Smooth, shining, and deceitful as thin ice.
A fraudulent scheme to escape paying taxes.
Synonyms : fallacious, fraudulent
Meaning : Marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another.
Example :
She was a deceitful scheming little thing.
A double-dealing double agent.
A double-faced infernal traitor and schemer.
Synonyms : ambidextrous, double-dealing, double-faced, double-tongued, duplicitous, janus-faced, two-faced