ungroundedlyadv.
Without any ground or basis.
ΘΚΠ
the mind > mental capacity > knowledge > conformity with what is known, truth > disregard for truth, falsehood > error in belief or opinion > [adverb]
ungroundablyc1449
ungroundedly?1550
erroneously1578
unsoundly1593
?1550 J. Bale Apol. agaynste Papyst 84 b That putteth he in here, vngroundedly, doubtfully, hypocritically, and vtterly agaynst hymselfe.
1593 T. Nashe Strange Newes B j They that are vngroundedly offended at any thing in ‘Pierce Pennilesse’.
1624 W. Bedell Copies Certaine Lett. iii. 59 Many things there be in Poperie..to my conceit weakely and vngroundedly affirmed.
1692 J. Ray Misc. Disc. ix. 182 The event shews how ungroundedly and erroneously. [Also in recent use.]
This entry has not yet been fully updated (first published 1924; most recently modified version published online June 2019).
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adv.?1550