de ‧ cep ‧ tive /dɪˈseptɪv/ BrE AmE adjective
[ Word Family: noun : ↑ deceit , ↑ deceiver , ↑ deception ; adjective : ↑ deceitful , ↑ deceptive ; verb : ↑ deceive ; adverb : ↑ deceptively ]
1 . something that is deceptive seems to be one thing but is in fact very different:
Some snakes move with deceptive speed (=move faster than you think or expect) .
Gwen’s students may look angelic, but appearances can be deceptive.
2 . intended to make someone believe something that is not true:
misleading and deceptive adverts
deceptive practices
—deceptively adverb