无形 (wú xíng): incorporeal; virtual; formless; invisible (assets); intangible

Parents' love is often invisible, yet it accompanies us as we grow in every detail of life.

In modern cities, invisible pressure leaves many young people feeling breathless.

The influence of culture is often intangible; it quietly changes our ways of thinking and behavioral habits.

Although the internet is something invisible, it has already connected people all over the world closely.

The first impression he left on me was intangible; I can't say exactly what it was, but it has stayed with me.