unreliableadj.

Brit.

/(ˌ)ʌnrᵻˈlʌɪəbl/, U.S.

/ˌənrəˈlaɪəb(ə)l/

Origin: Formed within English, by derivation. Etymons: un- prefix¹, reliable adj.

Etymology: < un- prefix¹ + reliable adj. Compare slightly earlier unreliability n.Use of the word was sometimes criticized during the 19th cent., on much the same basis as reliable adj. (see discussion at that entry).

Not reliable; that cannot or should not be relied on.

ΘΚΠ

the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [adjective]

unsicker?c1225

uncertaina1382

unsadc1384

untristya1387

untrustya1387

unsurec1412

falliblec1425

slipperc1430

ficklea1450

frivol1488

slidder?a1500

casuala1535

slippery1548

slippy1548

failable1561

doubtful1562

lubricious1584

slope1587

queasy1589

unconfirmedc1592

nice1598

catching1603

loose1603

precary1606

ambiguous1612

treacherous1612

unsafe1615

unsureda1616

precarious1626

lubric1631

dubious1635

lubricous1646

unestablished1646

unfixed1654

unsecure?a1685

unreliable1810

unproven1836

untrustworthy1846

shady1848

wobbly1877

Kaffir1899

independable1921

dodgy1961

temperamental1962

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

society > morality > duty or obligation > recognition of duty > undutifulness > unfaithfulness > [adjective] > untrustworthy

trustless1554

as slippery as an eel1601

independable1802

unreliable1810

undependable1860

untrustworthy1878

wrong1908

1810 S. T. Coleridge Notebks. (2002) III. 3900 To reflect, how many hundreds, nay, thousands of their Preachers..must be in same state..with regard to any intellectual perception of the Truth of their Doctrines, & only kept to them by the mighty but unreliable force of positive feelings.

1821 London Mag. Nov. 531/2 There is no vouching for so heedless and unreliable a mind.

1843 J. L. Stephens Incidents Trav. Yucatan II. xii. 211 At first we had considered these accounts unreliable, and so nearly approaching the marvellous that we put but little faith in them.

1874 W. R. Greg Rocks Ahead 63 This calculation is..not only unreliable, but purely deceptive.

1929 Amer. Mercury Jan. 20/2 I..am in general a shilly-shallying, unreliable fellow.

1961 W. C. Booth Rhetoric of Fiction vi. 159 I have called a narrator reliable when he speaks for or acts in accordance with the norms of the work.., unreliable when he does not.

1985 Cambr. Encycl. Life Sci. viii. 236/1 Although the wet season lasts for three to four months rain tends to be unreliable in quantity and in timing.

2008 R. Rendell Portobello (2010) vi. 48 Would you like me to take the cheque and give it to him? The post is so unreliable.

Derivatives

ˌunreˈliableness n.

ΘΚΠ

the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [noun]

unsadnessc1384

slipperness1401

slithernessa1492

untrust1563

lubricity1613

slipperinessa1618

fallacy1646

fallibleness1646

inevidence1658

undeterminationa1676

unevidencea1676

infidelity1777

untrustworthiness1808

unreliability1809

unreliableness1844

society > morality > duty or obligation > recognition of duty > undutifulness > unfaithfulness > [noun]

untruthc893

untruenessOE

falsedom1297

falsehood1297

falsenessc1330

falsityc1330

untrothc1374

mistruthc1480

disloyalty1481

unfaithfulness1526

untrustiness1526

deloyalty1571

disloyalness1586

truth breach1597

faithlessness1598

bad faith1653

infaithfulness1685

trustlessness1828

unreliableness1844

disfaith1881

1844 Westm. Rev. Dec. 283 The vacillation of purpose, the general unreliableness, which pervaded every part of Lord Stanley's Irish administration.

1872 C. H. Spurgeon Treasury of David III. Ps. lxxiii. 4 The unreliableness of mere feelings shown.

2008 M. J. O'Connell tr. G. D'Onofrio Hist. Theol. II. i. 33 Boethius shows the unreliableness and relative character of the blessings bestowed fortuitously by fortune.

ˌunreˈliably adv.

ΘΚΠ

the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [adverb]

sliddera1400

slipperlyc1412

untrustlyc1440

precariously1646

ambiguously1706

uncertain1785

unreliably1857

treacherously1860

unsafely1870

1857 N.Y. Herald 24 May 1/1 Morality has no basis, it acts irregularly, unreliably.

1877 Jrnl. Nerv. & Mental Dis. 4 634 Dogs react unreliably to large doses of atropia.

1950 W. Durant Age of Faith xxxvii. 1003 The ‘Yellow Plague’ devastated Ireland in 550 and 664, killing, we are unreliably informed, two thirds of the population.

2013 P. Hegarty Gentlemen's Disagreement vii. 139 Representative sampling led to unreliably small samples.

This entry has been updated (OED Third Edition, December 2014; most recently modified version published online March 2022).

单词	unreliable
释义	unreliableadj. Brit. /(ˌ)ʌnrᵻˈlʌɪəbl/, U.S. /ˌənrəˈlaɪəb(ə)l/ Origin: Formed within English, by derivation. Etymons: un- prefix¹, reliable adj. Etymology: < un- prefix¹ + reliable adj. Compare slightly earlier unreliability n.Use of the word was sometimes criticized during the 19th cent., on much the same basis as reliable adj. (see discussion at that entry). Not reliable; that cannot or should not be relied on. ΘΚΠ the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [adjective] unsicker?c1225 uncertaina1382 unsadc1384 untristya1387 untrustya1387 unsurec1412 falliblec1425 slipperc1430 ficklea1450 frivol1488 slidder?a1500 casuala1535 slippery1548 slippy1548 failable1561 doubtful1562 lubricious1584 slope1587 queasy1589 unconfirmedc1592 nice1598 catching1603 loose1603 precary1606 ambiguous1612 treacherous1612 unsafe1615 unsureda1616 precarious1626 lubric1631 dubious1635 lubricous1646 unestablished1646 unfixed1654 unsecure?a1685 unreliable1810 unproven1836 untrustworthy1846 shady1848 wobbly1877 Kaffir1899 independable1921 dodgy1961 temperamental1962 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 society > morality > duty or obligation > recognition of duty > undutifulness > unfaithfulness > [adjective] > untrustworthy trustless1554 as slippery as an eel1601 independable1802 unreliable1810 undependable1860 untrustworthy1878 wrong1908 1810 S. T. Coleridge Notebks. (2002) III. 3900 To reflect, how many hundreds, nay, thousands of their Preachers..must be in same state..with regard to any intellectual perception of the Truth of their Doctrines, & only kept to them by the mighty but unreliable force of positive feelings. 1821 London Mag. Nov. 531/2 There is no vouching for so heedless and unreliable a mind. 1843 J. L. Stephens Incidents Trav. Yucatan II. xii. 211 At first we had considered these accounts unreliable, and so nearly approaching the marvellous that we put but little faith in them. 1874 W. R. Greg Rocks Ahead 63 This calculation is..not only unreliable, but purely deceptive. 1929 Amer. Mercury Jan. 20/2 I..am in general a shilly-shallying, unreliable fellow. 1961 W. C. Booth Rhetoric of Fiction vi. 159 I have called a narrator reliable when he speaks for or acts in accordance with the norms of the work.., unreliable when he does not. 1985 Cambr. Encycl. Life Sci. viii. 236/1 Although the wet season lasts for three to four months rain tends to be unreliable in quantity and in timing. 2008 R. Rendell Portobello (2010) vi. 48 Would you like me to take the cheque and give it to him? The post is so unreliable. Derivatives ˌunreˈliableness n. ΘΚΠ the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [noun] unsadnessc1384 slipperness1401 slithernessa1492 untrust1563 lubricity1613 slipperinessa1618 fallacy1646 fallibleness1646 inevidence1658 undeterminationa1676 unevidencea1676 infidelity1777 untrustworthiness1808 unreliability1809 unreliableness1844 society > morality > duty or obligation > recognition of duty > undutifulness > unfaithfulness > [noun] untruthc893 untruenessOE falsedom1297 falsehood1297 falsenessc1330 falsityc1330 untrothc1374 mistruthc1480 disloyalty1481 unfaithfulness1526 untrustiness1526 deloyalty1571 disloyalness1586 truth breach1597 faithlessness1598 bad faith1653 infaithfulness1685 trustlessness1828 unreliableness1844 disfaith1881 1844 Westm. Rev. Dec. 283 The vacillation of purpose, the general unreliableness, which pervaded every part of Lord Stanley's Irish administration. 1872 C. H. Spurgeon Treasury of David III. Ps. lxxiii. 4 The unreliableness of mere feelings shown. 2008 M. J. O'Connell tr. G. D'Onofrio Hist. Theol. II. i. 33 Boethius shows the unreliableness and relative character of the blessings bestowed fortuitously by fortune. ˌunreˈliably adv. ΘΚΠ the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [adverb] sliddera1400 slipperlyc1412 untrustlyc1440 precariously1646 ambiguously1706 uncertain1785 unreliably1857 treacherously1860 unsafely1870 1857 N.Y. Herald 24 May 1/1 Morality has no basis, it acts irregularly, unreliably. 1877 Jrnl. Nerv. & Mental Dis. 4 634 Dogs react unreliably to large doses of atropia. 1950 W. Durant Age of Faith xxxvii. 1003 The ‘Yellow Plague’ devastated Ireland in 550 and 664, killing, we are unreliably informed, two thirds of the population. 2013 P. Hegarty Gentlemen's Disagreement vii. 139 Representative sampling led to unreliably small samples. This entry has been updated (OED Third Edition, December 2014; most recently modified version published online March 2022). < adj.1810
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