The phrase "whimsical look" refers to a lighthearted and playful expression or appearance that reflects a person's sense of fun or imagination. Full definition
Black floors paired with white walls make a clean, contemporary statement while white floors and walls convey a more whimsical look. (quickstepstyle.com)
These patterns are so similar in size that I wanted to combine them for a fun whimsical look. (wendyslookbook.com)
Other then that, loving how whimsical this all looks. (paperroseblog.com)