duō​yú HSK7

surplus

多余 (多餘) duō​yú
surplus adjective
an amount or quantity left over after requirements have been met; extra

He saved all the extra money he had each month.

unnecessary adjective
superfluous or redundant; exceeding what is required or useful

Don't worry, your concerns are unnecessary.

Frequency

Movie subtitles
8.94 per million appears in 4% of films

Details

HSK 2.0
Level 5
HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT
Frequency data
SUBTLEX-CH