No, "deceptive" is not a synonym for disappointing... but deceptive.

Marianne

Lean Left

Factuality

Ownership

Frequently used in the media, but also by politicians or businessmen, the term "deceptive" is a false friend. Indeed, this neologism derived from "deceptive" English is not a synonym of "deceptive", but of "deceptive".

Kurier

Factuality

Ownership

Whether in politics or in online shopping – we are constantly exposed to manipulation, a rhetoric professional recognizes which of these are and how we do not touch them.