What 費 means
It marks spending, expense, or resources used up.
Chinese can also use 費 for effort and mental energy. In Japanese, it is read ヒ in compounds and appears as ついやす in 費やす, the verb “to spend.” Korean uses the reading 비 in cost compounds and as the suffix -비 for a cost.
An inscription on a bronze object records 費 as a personal name. Traditional character analysis links its 貝 component with money and its 弗 component with sound.
Neutral in written words about costs and the use of resources.
Check the surrounding language and word: its reading changes across Chinese, Japanese, and Korean.
Don't confuse it with
1Combination ideas
3Questions people ask
1Why does 費 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type 費
費\8CBBCodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

