untarnishing

tarnish

[tahr-nish]
verb (used with object)
1.
to dull the luster of (a metallic surface), especially by oxidation; discolor.
2.
to diminish or destroy the purity of; stain; sully: The scandal tarnished his reputation.
verb (used without object)
3.
to grow dull or discolored; lose luster.
4.
to become sullied.
noun
5.
a tarnished coating.
6.
tarnished condition; discoloration; alteration of the luster of a metal.
7.
a stain or blemish.

Origin:
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

tarnishable, adjective
antitarnish, adjective
antitarnishing, adjective
nontarnishable, adjective
nontarnished, adjective
nontarnishing, adjective
untarnishable, adjective
untarnished, adjective
untarnishing, adjective


2. taint, blemish, soil.


1. brighten.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
tarnish (ˈtɑːnɪʃ)
 
vb
1.  to lose or cause to lose the shine, esp by exposure to air or moisture resulting in surface oxidation; discolour: silver tarnishes quickly
2.  to stain or become stained; taint or spoil: a fraud that tarnished his reputation
 
n
3.  a tarnished condition, surface, or film
 
[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]
 
'tarnishable
 
adj
 
'tarnisher
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

tarnish
1598, from prp. stem of M.Fr. ternir "dull the luster or brightness of, make dim" (15c.), probably from O.Fr. adj. terne "dull, dark," from a Frank. source cognate with O.H.G. tarnjan "to conceal, hide," O.E. dyrnan "to hide, darken," from P.Gmc. *darnijaz, related to dark.
Figurative sense is from 1697. The noun is recorded from 1713.
Online Etymology Dictionary, © 2010 Douglas Harper
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