blem•ishPronunciation: (blem'ish), [key]
to destroy or diminish the perfection of: The book is blemished by those long, ineffective descriptions.
a mark that detracts from appearance, as a pimple or a scar.
a defect or flaw; stain; blight: a blemish on his record.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.