instabilityn.

/ɪnstəˈbɪlɪti/

Etymology: < French instabilité (15th cent. in Hatzfeld & Darmesteter), < Latin instabilitāt-em , < instabilis instable adj.

The quality of being unstable; lack of stability in regard to position, condition, or moral qualities; want of steadiness, fixity, or firmness of purpose or character. With an and plural, an instance of this.

ΘΚΠ

the world > time > change > changeableness > [noun]

unstablenessc1340

varyingc1380

uncertaintyc1384

brotelnessc1386

were1390

instabilityc1422

bricklenessa1425

changeability?a1425

changeableness1447

vertibility1447

mutability?a1475

variableness?a1475

inconstance1509

mutationa1542

fickleness1548

variety1548

unconstancy1563

mobility1567

unstability1572

vicissitude1576

variousness1607

inconstancy1613

slipperinessa1618

alterableness1633

versatilousness1640

bottomlessness1642

lability1651

brittlety1652

versatileness1654

fluctuancy1659

fugitivenessa1661

alterability1661

permutability1662

unfixedness1668

mutablenessa1677

flittingnessa1680

frailness1687

flittiness1692

versability1721

plasticity1727

variability1771

unestablishment1776

fluctuabilitya1786

changefulness1791

unsettledness1799

versatility1802

harlequinism1808

fluidity1824

fitfulness1825

sensitiveness1825

insubstantiality1848

contingency1858

rootlessness1859

shiftingness1866

ficklety1888

variancy1888

impredicability1906

proteanism1909

the mind > will > decision > irresolution or vacillation > inconstancy > [noun]

unsteadfastnessa1300

falsenessc1330

unstablenessc1380

varyingc1380

inconstancec1386

variance1390

geriness1412

instabilityc1422

changeability?a1425

mutabilitya1425

changec1425

changeableness1447

unconstancec1449

unstabilitya1470

mutableness1481

unsureness1481

instableness1483

variation1509

inconstancy1526

shittleness1530

fickleness1548

unconstancy1548

unconstantness1551

inconstantness?a1562

pliableness1562

fast and loose1575

volubility1603

levity1604

unconstability1611

flexibleness1623

vagrancy1642

self-inconsistency1655

inconsistency1665

flittingnessa1680

easiness1705

inconsistence1713

versatility1755

contrariety1762

vibration1785

changefulness1791

girouettism1825

pirouettism1839

weathercockism1843

pirouettiveness1844

volatileness1849

unfixity1856

ficklety1888

c1422 T. Hoccleve Learn to Die 863 Fful fewe been, þat..Konne apparceyue thinstabilitee Of the world.

1548 Hall's Vnion: Henry IV f. xv Some lamentyng the instabilitee of the Englishe people, iudged theim to be spotted with perpetuall infamie.

1640–4 Earl of Bristol in J. Rushworth Hist. Coll.: Third Pt. (1692) I. 714 The Scripture telleth us of..the Instability of a Kingdom Divided within it self.

1646 Sir T. Browne Pseudodoxia Epidemica ii. vi. 96 Parallels or like relations..by their mutuall concurrences support their solitary instabilities.

1781 C. Johnstone Hist. John Juniper II. 220 I had leisure to reflect on the instability of human happiness.

1783 S. Johnson Let. 21 Oct. (1994) IV. 229 Endeavour to reform that instability of attention which your last letter has happened to betray.

1856 A. P. Stanley Sinai & Palestine (1858) ii. 125 Nothing conveys..so strong a sense of general instability and insecurity as the recurrence of earthquake.

1878 B. Stewart & P. G. Tait Unseen Universe vi. §178. 181 Molecular instability, such as water cooled below freezing point.

Draft additions 1993

b. spec. in Psychology. Tendency to unpredictable behaviour or erratic changes of mood. (Usually with qualifying word.)

ΘΚΠ

the mind > emotion > [noun] > emotional instability

instability1897

1897 Appletons' Pop. Sci. Monthly July 390 Great mental instability marks the true mob.

1926 W. Lewis Art of being Ruled xiii. iv. 423 It is plainly the popularization of science that is responsible for the fever and instability apparent on all sides.

1952 O. Nash Let. 5 Nov. in Loving Lett. (1990) 286 I am..sure you must realize how deeply concerned I am about ——'s family history. Emotional instability, melancholia, depression, are material, practical, frightening things, and torture to live with.

1965 J. Pollitt Depression & its Treatm. v. 71 The tendency to increased psychological instability in the premenstrual phase has been demonstrated by Dalton.

1983 D. J. Weatherall et al. Oxf. Textbk. Med. II. xxiv. 20/2 Depression, emotional instability, and quarrelsomeness accompany the lassitude and anorexia.

This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2021).

单词	instability
释义	instabilityn. /ɪnstəˈbɪlɪti/ Etymology: < French instabilité (15th cent. in Hatzfeld & Darmesteter), < Latin instabilitāt-em , < instabilis instable adj. The quality of being unstable; lack of stability in regard to position, condition, or moral qualities; want of steadiness, fixity, or firmness of purpose or character. With an and plural, an instance of this. ΘΚΠ the world > time > change > changeableness > [noun] unstablenessc1340 varyingc1380 uncertaintyc1384 brotelnessc1386 were1390 instabilityc1422 bricklenessa1425 changeability?a1425 changeableness1447 vertibility1447 mutability?a1475 variableness?a1475 inconstance1509 mutationa1542 fickleness1548 variety1548 unconstancy1563 mobility1567 unstability1572 vicissitude1576 variousness1607 inconstancy1613 slipperinessa1618 alterableness1633 versatilousness1640 bottomlessness1642 lability1651 brittlety1652 versatileness1654 fluctuancy1659 fugitivenessa1661 alterability1661 permutability1662 unfixedness1668 mutablenessa1677 flittingnessa1680 frailness1687 flittiness1692 versability1721 plasticity1727 variability1771 unestablishment1776 fluctuabilitya1786 changefulness1791 unsettledness1799 versatility1802 harlequinism1808 fluidity1824 fitfulness1825 sensitiveness1825 insubstantiality1848 contingency1858 rootlessness1859 shiftingness1866 ficklety1888 variancy1888 impredicability1906 proteanism1909 the mind > will > decision > irresolution or vacillation > inconstancy > [noun] unsteadfastnessa1300 falsenessc1330 unstablenessc1380 varyingc1380 inconstancec1386 variance1390 geriness1412 instabilityc1422 changeability?a1425 mutabilitya1425 changec1425 changeableness1447 unconstancec1449 unstabilitya1470 mutableness1481 unsureness1481 instableness1483 variation1509 inconstancy1526 shittleness1530 fickleness1548 unconstancy1548 unconstantness1551 inconstantness?a1562 pliableness1562 fast and loose1575 volubility1603 levity1604 unconstability1611 flexibleness1623 vagrancy1642 self-inconsistency1655 inconsistency1665 flittingnessa1680 easiness1705 inconsistence1713 versatility1755 contrariety1762 vibration1785 changefulness1791 girouettism1825 pirouettism1839 weathercockism1843 pirouettiveness1844 volatileness1849 unfixity1856 ficklety1888 c1422 T. Hoccleve Learn to Die 863 Fful fewe been, þat..Konne apparceyue thinstabilitee Of the world. 1548 Hall's Vnion: Henry IV f. xv Some lamentyng the instabilitee of the Englishe people, iudged theim to be spotted with perpetuall infamie. 1640–4 Earl of Bristol in J. Rushworth Hist. Coll.: Third Pt. (1692) I. 714 The Scripture telleth us of..the Instability of a Kingdom Divided within it self. 1646 Sir T. Browne Pseudodoxia Epidemica ii. vi. 96 Parallels or like relations..by their mutuall concurrences support their solitary instabilities. 1781 C. Johnstone Hist. John Juniper II. 220 I had leisure to reflect on the instability of human happiness. 1783 S. Johnson Let. 21 Oct. (1994) IV. 229 Endeavour to reform that instability of attention which your last letter has happened to betray. 1856 A. P. Stanley Sinai & Palestine (1858) ii. 125 Nothing conveys..so strong a sense of general instability and insecurity as the recurrence of earthquake. 1878 B. Stewart & P. G. Tait Unseen Universe vi. §178. 181 Molecular instability, such as water cooled below freezing point. Draft additions 1993 b. spec. in Psychology. Tendency to unpredictable behaviour or erratic changes of mood. (Usually with qualifying word.) ΘΚΠ the mind > emotion > [noun] > emotional instability instability1897 1897 Appletons' Pop. Sci. Monthly July 390 Great mental instability marks the true mob. 1926 W. Lewis Art of being Ruled xiii. iv. 423 It is plainly the popularization of science that is responsible for the fever and instability apparent on all sides. 1952 O. Nash Let. 5 Nov. in Loving Lett. (1990) 286 I am..sure you must realize how deeply concerned I am about ——'s family history. Emotional instability, melancholia, depression, are material, practical, frightening things, and torture to live with. 1965 J. Pollitt Depression & its Treatm. v. 71 The tendency to increased psychological instability in the premenstrual phase has been demonstrated by Dalton. 1983 D. J. Weatherall et al. Oxf. Textbk. Med. II. xxiv. 20/2 Depression, emotional instability, and quarrelsomeness accompany the lassitude and anorexia. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2021). < n.c1422
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