s determined by chance or impulse or whim rather than by necessity or reason
a. 怪念头多的, 反复无常的, 古怪的, 异想天开的
1. The artist created a whimsical painting that made everyone smile.
这位艺术家创作了一幅奇思妙想的画，令每个人都微笑。
2. Her whimsical sense of humor always brightens the room.
她那奇特的幽默感总是让房间充满欢乐。
3. The garden was full of whimsical decorations, like colorful gnomes and funny signs.
花园里充满了奇妙的装饰，比如五颜六色的小矮人和有趣的标志。