Learner's definition of DECEPTIVE
[more deceptive; most deceptive]
1 : intended to make someone believe something that is not true
The article accuses the company of deceptive [=misleading] advertising.
The low price is deceptive. [=deceiving, misleading] Many fees are added to it before the purchase is complete.
2 : likely to make someone believe something that is not true
the deceptive simplicity of the lyrics [=the lyrics are not as simple as they seem]
Don't buy the car without driving it first—appearances can be deceptive. [=something can look much better than it actually is]