tarnish

[ tahr-nish ]
/ ˈtɑr nɪʃ /

verb (used with object)

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

verb (used without object)

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

noun

Origin of tarnish

1590–1600; < Middle French terniss-, long stem of ternir to dull, deaden, derivative of terne dull, wan < Germanic; compare Old High German tarni, cognate with Old Saxon derni, Old English dierne hidden, obscure; see -ish2

OTHER WORDS FROM tarnish

Example sentences from the Web for untarnished

British Dictionary definitions for untarnished (1 of 2)

untarnished
/ (ʌnˈtɑːnɪʃt) /

adjective

(of silver, etc) not tarnished or discoloured
not tainted or spoiled untarnished by graffiti

British Dictionary definitions for untarnished (2 of 2)

tarnish
/ (ˈtɑːnɪʃ) /

verb

to lose or cause to lose the shine, esp by exposure to air or moisture resulting in surface oxidation; discolour silver tarnishes quickly
to stain or become stained; taint or spoil a fraud that tarnished his reputation

noun

a tarnished condition, surface, or film

Derived forms of tarnish

tarnishable, adjective tarnisher, noun

Word Origin for tarnish

C16: from Old French ternir to make dull, from terne lustreless, of Germanic origin; related to Old High German tarnen to conceal, Old English dierne hidden