verb
1 become/make sth less bright
ADVERB
▪ badly
▪
The mirror had ~ed quite badly.
▪ slightly
2 spoil sth
ADVERB
▪ severely
▪
their severely ~ed reputation
▪ slightly , somewhat
▪ unfairly
▪ forever
Tarnish is used with these nouns as the object: ↑ image , ↑ reputation