deceptive > define

Causing one to believe what is not true or fail to believe what is true.
- usage: "deceptive calm"; "a delusory pleasure"
- synonyms: delusory
Designed to deceive or mislead either deliberately or inadvertently.
- usage: "the deceptive calm in the eye of the storm"; "deliberately deceptive packaging"; "a misleading similarity"; "statistics can be presented in ways that are misleading"; "shoddy business practices"
- synonyms: misleading, shoddy

(a.) Tending to deceive; having power to mislead or impress with false opinions; as, a deceptive countenance or appearance.

by Webster's Revised Unabridged Dictionary