tarnish: Meaning and Definition of

tar•nish

1. to dull the luster of (a metallic surface), esp. by oxidation; discolor.
2. to diminish or destroy the purity of; stain; sully: The scandal tarnished his reputation.

1. to grow dull or discolored; lose luster.
2. to become sullied.

1. a tarnished coating.
2. tarnished condition; discoloration; alteration of the luster of a metal.
3. a stain or blemish.