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ignore

[ig-nawr, -nohr]
verb (used with object), ig·nored, ig·nor·ing.
  1. to refrain from noticing or recognizing: to ignore insulting remarks.
  2. Law. (of a grand jury) to reject (a bill of indictment), as on the grounds of insufficient evidence.
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Origin of ignore

1605–15; < Latin ignōrāre to not know, disregard, verbal derivative of ignārus ignorant, unaware (with -ō- perhaps from ignōtus unknown), equivalent to in- in-3 + gnārus knowing, acquainted (with); akin to (g)nōscere to know1
Related formsig·nor·a·ble, adjectiveig·nor·er, nounun·ig·nor·a·ble, adjectiveun·ig·nor·a·bly, adverbun·ig·nored, adjectiveun·ig·nor·ing, adjectivewell-ig·nored, adjective

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Antonyms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for un-ignorable

ignore

verb (tr)
  1. to fail or refuse to notice; disregard
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noun
  1. Australian informal disregardto treat someone with ignore
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Derived Formsignorable, adjectiveignorer, noun

Word Origin

C17: from Latin ignōrāre not to know, from ignārus ignorant of, from i- in- 1 + gnārus knowing; related to Latin noscere to know
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for un-ignorable

ignore

v.

1610s, "not to know, to be ignorant of," from French ignorer "be unaware of," from Latin ignorare "not to know, disregard" (see ignorant). Sense of "pay no attention to" first recorded 1801 (Barnhart says "probably a dictionary word"), and not common until c.1850. Related: Ignored; ignoring.

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Online Etymology Dictionary, © 2010 Douglas Harper