1. playfully quaint or fanciful, especially in an appealing and amusing way
2. acting or behaving in a capricious manner; unpredictable

Examples

• The children’s book featured whimsical illustrations of talking animals.
• Her whimsical sense of humor made everyone laugh.
• The garden was filled with whimsical sculptures and colorful flowers.
• He had a whimsical way of decorating his office with unusual objects.
• The artist’s whimsical style appealed to both children and adults.
• She made whimsical decisions that often surprised her friends.
• The café had a whimsical atmosphere with mismatched furniture and fairy lights.