expression
unconstrained creativity; bold and imaginative
A yojijukugo describing creative work or thinking that is free, bold, and unbound by convention, like a heavenly steed galloping through the sky. Often used in literary or artistic contexts.
彼の絵はまさに天馬行空の境地だ。
His paintings truly embody the spirit of unconstrained creativity.
This novel is written with bold and imaginative ideas.