indubitableadj.n.
/ɪnˈdjuːbɪtəb(ə)l/ a. That cannot be doubted; perfectly certain or evident.
ΘΚΠ
the mind > mental capacity > belief > uncertainty, doubt, hesitation > absence of doubt, confidence > assured fact, certainty > absolute certainty > [adjective]
sickera1400
undoubtingc1400
undoubtablec1425
doubtlessc1440
unsoilablec1449
unwithsayablec1450
undoubtedc1460
indoubted?1467
indubitate1480
undubitate1482
unrepugnablea1500
infallible1526
questionless1532
insoluble1533
irrefragable1533
undoubtful1533
inexpugnablea1535
uncontrolleda1535
undeniable1541
indisputable1551
indoubtable1557
unsoluble1559
uncontrollable1577
infringible1581
irreprovable1581
ungainsaid1587
unquestionable1587
unquarrelled1588
peremptory1589
irrefragatea1592
unrefellable1593
unrefutable1594
controversiless1604
unquestioned1604
undisputable1605
impleadable1606
contradictless1607
unargued1609
unchallengeable1611
uncontroversable1617
ungainsayable1618
irrefutable1620
indeniable1621
undenied1621
incontradictable1624
indenied1624
indubious1625
indubitable1625
undisputeda1627
uncontroversed1634
unchallengeda1639
God-given1642
indisputed1643
unconfutable1643
undubitable1643
incontrollable1646
incontrovertible1646
unquarrellable1646
watertight1647
unquaerable1657
uncontrovertible1664
incontestable1673
inconfutable1679
uncontestable1681
uncontested1683
uncontradictory1698
uncontradictable1707
incontested1712
irrevinciblea1746
contestlessa1750
innegable1772
irrecusable1776
unrebuttable1804
unassailable1830
unimpugnable1832
irrebuttablea1834
unquibbled1860
inarguablea1875
automatic1877
inoppugnable1885
indiscussible1893
indiscutable1933
1625 Conway in Howell's Lett. i. iv. vii Prince Charles, his rightful and indubitable Heir.
1678 R. Cudworth True Intellect. Syst. Universe i. v. 716 Whensoever any thing is thus necessarily inferred, from what is undeniable and indubitable, this is a Demonstration.
1725 I. Watts Logick ii. ii. §7 Those Propositions, which contain the most certain and indubitable Truths.
1775 S. Johnson Taxation no Tyranny 13 That the Americans are able to bear taxation, is indubitable.
1871 J. S. Blackie Four Phases Morals i. 127 Evidence of the most distinct and indubitable description.
b. absol. as n. An indubitable thing or fact.
ΘΚΠ
the mind > mental capacity > belief > uncertainty, doubt, hesitation > absence of doubt, confidence > assured fact, certainty > absolute certainty > [noun] > instance of
indubitable1733
infallible1816
1733 I. Watts Philos. Ess. Pref. ⁋6 A few Indubitables.
Derivatives
inˈdubitableness n. the quality of being without any doubt.
ΘΚΠ
the mind > mental capacity > belief > uncertainty, doubt, hesitation > absence of doubt, confidence > assured fact, certainty > absolute certainty > [noun]
irrefragability1609
unanswerableness1627
infallibilitya1631
uncontrollableness1634
unquestionableness1640
undeniableness1654
irrefragableness1682
incontestableness1727
indisputableness1727
indubitableness1727
inexpugnableness1727
unanswerability1750
incontrovertibility1775
unquestionability1815
impugnability1837
incontrovertibleness1837
incontestability1862
inexpugnability1864
irrefutability1864
indisputability1880
doubtlessness1895
indubitability1933
inescapability1945
1727 in N. Bailey Universal Etymol. Eng. Dict. II
1849 Fraser's Mag. 40 522 Receiving indubitableness, not from this world, but..from the sure and certain truth of the life to come.
indubitaˈbility n. = indubitableness n.
ΘΚΠ
the mind > mental capacity > belief > uncertainty, doubt, hesitation > absence of doubt, confidence > assured fact, certainty > absolute certainty > [noun]
irrefragability1609
unanswerableness1627
infallibilitya1631
uncontrollableness1634
unquestionableness1640
undeniableness1654
irrefragableness1682
incontestableness1727
indisputableness1727
indubitableness1727
inexpugnableness1727
unanswerability1750
incontrovertibility1775
unquestionability1815
impugnability1837
incontrovertibleness1837
incontestability1862
inexpugnability1864
irrefutability1864
indisputability1880
doubtlessness1895
indubitability1933
inescapability1945
1933 Mind 42 531 Even if Husserl's argument concerning the indubitability of transcendental selves be granted, it does not follow [etc.].
1946 Nature 10 Aug. 185/2 There remains a residuum of indubitability consisting of our sensations themselves and the ultimate elements of rational necessity.
This entry has not yet been fully updated (first published 1900; most recently modified version published online September 2020).
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adj.n.1625