unprecedentedlyadv.
/(ˌ)ʌnˈprɛsᵻdɛntᵻdli/, U.S. /ˌənˈprɛsəˌdɛn(t)ədli/ In an unprecedented manner; to an unprecedented degree. Cf. unprecedently adv.
ΘΚΠ
the world > action or operation > behaviour > a standard of conduct > [adverb] > without precedent
unprecedentedly1712
unprecedently1718
1712 Tory Partiality Detected To Rdr. p. vii By these Measures they might..cause them..ex parte to determine the Cause, and unprecedentedly to make the Complainants Case the City's.
1789 J. Adams Flowers Mod. Hist. xc. 247 This minister seems..to have acted very unprecedentedly, and to have been too much under the guidance of his passions.
1826 T. Tooke State of Currency 56 The late disastrous, and unprecedentedly numerous failures.
1884 Manch. Examiner 27 Nov. 5/4 The number of students attending was no doubt unprecedentedly great.
1938 A. Berkeley Not to be Taken vii. 111 The trains from London had been unprecedentedly crowded.
2012 Church Times 27 Apr. (Bk. Common Prayer Suppl.) 3/1 The 1662 Book of Common Prayer..was revolutionary in..affirming a single national practice: unprecedentedly, a parliamentary Act required its exclusive use.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adv.1712