reichhaltige
Reichhaltige is a German adjective meaning rich in or full of and is used to describe something that contains a large amount or variety of a given quality. It is commonly applied to information, content, nutrients, experiences, or materials to emphasize abundance rather than mere quantity. The term derives from reich (rich) and haltig (holding; containing), thus literally indicating something that holds a lot.
In usage, reichhaltige appears as an attributive adjective before nouns: reichhaltige Informationen, reichhaltige Inhalte, reichhaltige Erlebnisse.
It is a near-synonym of inhaltsreich or gehaltvoll in many contexts, though subtle differences can exist: inhaltsreich