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irrespective

[ir-i-spek-tiv] /ˌɪr ɪˈspɛk tɪv/
adjective
1.
without regard to something else, especially something specified; ignoring or discounting (usually followed by of):
Irrespective of my wishes, I should go.
Origin
1630-1640
1630-40; ir-2 + respective
Related forms
irrespectively, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for irrespective of

irrespective

/ˌɪrɪˈspɛktɪv/
adjective
1.
(preposition) irrespective of, without taking account of; regardless of
adverb
2.
(informal) regardless; without due consideration he carried on with his plan irrespective
Derived Forms
irrespectively, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for irrespective of

irrespective

adj.

1620s (implied in irrespectively), "disrespectful," from assimilated form of in- (1) "not, opposite of" + respective. Meaning "without taking account of (something)" is from 1690s. Main modern use is adverbial ("irrespective of"), attested from 1839.

Online Etymology Dictionary, © 2010 Douglas Harper
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