1. Relating to an expensive and luxurious way: The apartment was richly decorated with expensive furniture and artistic walls.
2. Pertaining to a bountiful and generous result: The quiz contestants were richly rewarded for their knowledge.
3. A reference to being well rewarded: The results of the successful financial investments that Mark made were richly deserved.
4. Containing a large or significant amount of something: This on-line dictionary is richly supplied with cartoons that illustrate what thousands of words mean and even amuse users as well.