What does «solapado» mean in Spanish?

Hypocritical, false, accustomed to maliciously or cautiously concealing his thoughts.

Examples of use in Spanish: "es muy solapada ella, no te será fácil descubrir sus intenciones".
That is not openly manifested or is concealed.

Examples of use in Spanish: "técnicas solapadas de publicidad".

"plan solapado"

"intenciones o propósitos solapados".