† unresponsableadj.
Obsolete.
= unresponsible adj. (in various senses).
ΘΚΠ
the world > action or operation > manner of action > carelessness > incautiousness > [adjective] > rash or reckless
recklesseOE
redmodOE
unreckless?c1225
hastivec1300
racklec1300
testyc1374
rabbisha1387
temeraryc1410
temerous1461
rash1509
temerarious1532
hare-brained1548
temerarec1550
hare-brain1566
hot-spurred1573
overrash1577
hotspur1586
madcap1591
wretchless1598
Phaetontic1608
zeal-blind1615
Phaetontal1617
unresponsable1619
Phaetontical1630
phaetonicala1640
Phaetonic1708
hell-bent1731
harum-scarum1751
unresponsible1764
suicidal1768
rumgumptious1781
shy1787
devil-may-care1799
bullheaded1818
devil-may-carish1825
temeritous1892
kamikaze1952
the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [adjective] > of persons
slipperc1000
ficklea1275
untristya1387
flickering1430
untrusty1430
slidingc1435
unsurec1445
untraistc1485
unassure1531
slippery1555
untraisty1567
untrustful1569
unresponsable1619
uncanny1639
fair-weather1677
unresponsible1764
independable1802
unreliable1810
untrustworthy1846
undependable1860
incalculable1876
slithery1902
wonky1919
doubtful1925
1619 in J. D. Marwick Rec. Convent. Royal Burghs Scotl. (1878) III. 89 [To] ressave sum satisfactioun in recompence of thair pairts quha is deid, or denyit his..debt, or past furth of the cuntrey and becum vnresponsable.
1634 Burgh of Jedburgh Council Rec. 28 Nov. (Scottish Borders Archives: BJ/1/1) 90 That no persoune..set any of their houses or buithies to unresponsable persounes.
a1661 T. Fuller Worthies (1662) Essex 346 Of whom then still alive, he justly..demanded reparations, though since his unresponsable memory can make us no satisfaction.
1672 W. Gurnall Christians Labour & Reward 67 We cannot exact more from those men that are most unresponsable or deceitful.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online June 2018).
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adj.1619