De‐cep″tive (?), a. [Cf. F. déceptif. See Deceive.] Tending to deceive; having power to mislead, or impress with false opinions; as, a deceptive countenance or appearance.
Language altogether deceptive, and hiding the deeper reality from our eyes. Trench.
Deceptive cadence(Mus.), a cadence on the subdominant, or in some foreign key, postponing the final close.