unregardantadj.
/(ˌ)ʌnrᵻˈɡɑːd(ə)nt/, U.S. /ˌənrəˈɡɑrd(ə)nt/ Chiefly poetic. Now rare.
Unobservant, inattentive; dismissive.
ΘΚΠ
the world > action or operation > manner of action > carelessness > [adjective] > careless or heedless
getelessc1175
untimingc1350
unmindfula1382
negligentc1390
unminda1400
roughtlessa1500
respectlessa1542
indiligent1549
unheedful1570
regardless1578
heedless1579
unheedy1579
unregarding?1585
unrespective1594
neglectful1595
unregardful1598
unobservinga1628
tentless1636
disregardfula1641
unregardant1652
inadvertent1653
disregarding1659
unaspective1661
inobservant1663
unheeding1770
unobservant1775
inattentive1785
disregardant1816
unrecking1824
unminded1831
unchary1856
amelectic1879
irregardless1912
blithe1922
slap-happy1937
1652 W. Charleton Darknes Atheism v. 159 The Supreme Nature..hears neither the clamours of our profane impieties, nor the sighes of our supplications, but stands as unconcerned in, so unregardant of all our actions.
1814 R. Southey Roderick x. 69 With fix'd eyes intent Yet unregardant of the countenance Whereon they dwelt.
1893 Atlantic Monthly Nov. 712/2 We know that they [sc. gentlemen] are not unregardant of the beaux yeux du notre cassette.
1911 C. Cayzer By Way Gate i. 10 What doth our unregardant Mother care?.. She scants her offspring for her latest gown!
1962 T. McGrath Let. to Imaginary Friend iii. vi. 26 The cattle lifted their blank and unregardant Gaze to the hills.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adj.1652