1. in a way that shows wealth or luxury
2. in a way that is full of color, flavor, or other pleasing qualities
3. to a great degree; fully

Examples

• The palace was richly decorated with gold and marble.
• She was richly rewarded for her hard work.
• The cake was richly flavored with chocolate and vanilla.
• The museum’s collection is richly detailed.
• His voice was richly textured and deep.
• The garden was richly planted with exotic flowers.
• The novel is richly written with complex characters.