decidedlyadv.
/dᵻˈsʌɪdᵻdli/, U.S. /dəˈsaɪdᵻdli/, /diˈsaɪdᵻdli/ 1.
a. Qualifying an adjective: distinctly, markedly; in a pronounced manner. Also: extremely, very.
ΘΚΠ
the mind > mental capacity > belief > uncertainty, doubt, hesitation > absence of doubt, confidence > assured fact, certainty > [adverb] > conclusively, decisively
undoubtedly1487
concludentlya1575
signanter1579
definitely1581
peremptorily1582
ratifiedly1593
categorically1603
peremptorly1606
lastly1612
perfixedly1613
concludingly1640
decidingly1646
categorematically1654
signantly1656
full-mouthedly1681
conclusively1749
decidedly1764
decisively1789
catecheticallya1834
so1994
1764 tr. T. de Bordeu Inq. Varieties Pulse xiii. 124 The pulse developped itself, became much more unequal, and decidedly intestinal [Fr. intestinal bien déclaré].
1782 Crit. Rev. June 418 We would recommend a total abstinence from every thing like antiquity..and every thing clearly and decidedly modern, should be introduced.
1820 Theatr. Inquisitor Apr. 237 Madame Vestris was not unsuccessful in this popular song, though decidedly inferior to Mr. Dureset.
1860 J. Tyndall Glaciers of Alps ii. xxvii. 382 The lateral portions [of a glacier] are very decidedly laminated.
1868 Cincinnati Lancet & Observer Apr. 219 This [sc. partial deafness] gradually increases till it, in the course of a few months, becomes decidedly annoying to him.
1930 Boys' Life May 45/1 The outfit costs no more than other clothes would, and at some it is decidedly cheaper than almost anything else would be.
1970 N. Pevsner Cambridgeshire (Buildings of Eng.) (ed. 2) 474 A decidedly Baroque effect.
1992 Animals Nov. 23/1 Speaking out against the shoot is a decidedly unpopular stance.
2013 Guardian (Nexis) 23 Oct. 21 Something decidedly odd was going on inside the pontifical council for culture.
b. Conclusively; definitely, in such a manner as to preclude question or change; undoubtedly.
ΘΚΠ
the mind > attention and judgement > testing > proof, demonstration > [adverb] > conclusively
definitively1532
concludentlya1575
demonstrativelya1591
demonstrably1616
concludingly1640
decisively1643
deictically1659
conclusively1749
decidedly1779
critically1857
crucially1879
1779 J. Macpherson Short Hist. Opposition 31 Till matters were examined, it was not known decidedly where censure ought to fall.
1791 H. More Estimate Relig. Fashionable World (ed. 3) 46 The balance perhaps will not turn out so decidedly in favour of the times.
1807 Sporting Mag. Mar. 259/2 Bets run high on the renouned Lingo; however, he was clearly and most decidedly beaten by Mr Gresley's dog.
1860 Vanity Fair Feb. 14/1 Cosmogony would decidedly call Col. McMichael a good egg.
1943 Washington Post 25 Mar. 7 Viereck, Nazi agent now under Federal indictment for six violations of the Foreign Agents Registration Act, pleaded ‘decidedly not guilty’ in District Court yesterday afternoon.
1979 CPA Jrnl. Dec. 95/2 Decidedly, one of the best ways to communicate with the client on these topics is through the management letter.
2013 Internat. Jrnl. Parallel Programming (Electronic ed.) 1 Sept. Whilst Moore's Law was holding for processing speed, it was most decidedly not working for disk access speed.
2. In a determined manner; with resolve, unhesitatingly.
ΘΚΠ
the mind > will > decision > resolution or determination > [adverb]
strongeOE
fastOE
stably1297
strengthlya1400
unabasedlyc1425
unfaintlyc1425
four-squarec1430
strengthilyc1485
determinedlyc1540
resolutely1549
determinately1556
martyr-like1579
resolvedly1587
strongly1591
undauntedly1598
heart and soul1620
fairly and squarely1628
bently1645
decisively1653
supportinglya1664
setly1673
decidedly1770
martyrly1819
immitigably1824
staunchly1825
unshrinkingly1826
unflinchingly1833
hell-bent1863
square1867
fair and square1870
full-bloodedly1898
1770 Middlesex Jrnl. 24 Apr. The governor..exerting himself so decidedly against the soldiery..carries a conviction with it, that the transaction was too flagrant.
1801 M. Edgeworth Forester in Moral Tales I. 144 He decidedly answered, ‘No’.
1884 Law Rep.: Queen's Bench Div. 12 281 If the House had resolved ever so decidedly that [etc.].
1911 Univ. Mag. (Dalhousie, McGill, & Toronto Univs.) Apr. 316 Uncle Ulric..was decidedly for a navy on general principle.
2014 Wayne Today (Passaic, New Jersey) (Nexis) 6 Feb. a11 ‘Aunt Tacy’, she said decidedly. I beamed. I was so excited she recognized me.
This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022).
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adv.1764