treacherousadj.

/ˈtrɛtʃərəs/

Forms: Middle English tricherous, tricherows; Middle English–1600s trecherous, (Middle English -us, Middle English -owse, treccherous, 1500s trechrous, 1600s tretcherous), 1500s– treacherous, (1500s -ouse).

Etymology: < Old French trecher-, tricheros, -us, -eus (12th cent. in Godefroy), < trecheur , tricheur treacher n.: see -ous suffix.

1. Of persons, their attributes or actions: Characterized by treachery; deceiving, perfidious, false; disloyal, traitorous.

ΘΚΠ

the mind > goodness and badness > wrongdoing > treachery or treason > [adjective]

lewec1000

culvert?c1225

false?c1225

fokela1275

colwardc1330

treacherousc1330

traitorousc1380

traitora1400

treasonfula1400

traitorfulc1440

treasonousc1450

treasonable1487

proditiousa1500

proditorya1500

unfaithful1530

trustless1554

traitorlya1586

Punic1590

truce-breaking1592

faiterous1600

Iscarioticala1625

betraying1629

infide1663

traditoriana1734

Iscariotic1879

the mind > mental capacity > knowledge > conformity with what is known, truth > deceit, deception, trickery > [adjective]

ficklea1000

hinderyeapc1000

swikelc1000

as right (also stiff, straight, crooked, etc.) as a ram's hornOE

fakenOE

swikefulc1100

frakelc1175

swikec1175

wrenchfulc1225

wielfulc1275

ginfulc1300

guileful13..

treacherousc1330

guilesomea1382

guilousc1384

enginousa1393

deceivant1393

treacherc1400

serpentinec1422

deceivousa1425

guilyc1430

beguilous1483

slapea1500

fallacious1509

treget1519

gaudya1529

beguileful1530

Spanish1530

juggling?1531

snakish1532

prestigious?1534

knack-hardy1549

pratting1570

fogging1585

snakya1586

abusive1595

faithless1597

faiterous1600

guiled1600

trompant1605

amusing1609

braida1616

dodging1625

Ulyssean1639

tricksome1648

knackish1660

hocus-pocus1668

bubbling1675

rusé1689

tricking1697

trickish1705

lurching1728

tricksy1766

trickful1775

tricky1786

slippy1828

shirky1847

dodgy1861

sidewinding1902

slithery1902

hyping1968

deceiteous-

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

swikec893

lewec1000

swikelc1000

swikefulc1100

culvert?c1225

fokela1275

colwardc1330

treacherousc1330

traitorousc1380

traitora1400

treacherc1400

traitorfulc1440

proditorious?a1475

fraudfulc1475

proditiousa1500

proditorya1500

perfidiousa1538

snakya1586

traitorlya1586

Punic1590

traitor-wise1598

faiterous1600

Iscarioticala1625

Judaslya1626

fidious1640

traditoriana1734

double-crossing1838

Judasian1855

Iscariotic1879

two-timing1927

two-time1937

quisling1941

c1330 R. Mannyng Chron. Wace (Rolls) 16519 Þe tricherous Saxons—Þeyr tricherye vs euere mones.

a1387 J. Trevisa tr. R. Higden Polychron. (St. John's Cambr.) (1865) I. 357 Þe men beeþ variable and vnstedefast, trecherous and gileful.

1483 Cath. Angl. 392/1 Trecherus, vbi fals (A.).

1570 P. Levens Manipulus Vocabulorum sig. Siii^v/2 Treacherouse, proditorius.

a1616 W. Shakespeare Cymbeline (1623) iv. ii. 319 To write, and read, Be henceforth treacherous .

c1660 J. Evelyn Diary anno 1644 (1955) II. 254 After a true tretcherous Italian guize.

1725 D. Defoe New Voy. round World i. 98 A fierce, cruel, treacherous, and merciless Crew of humane Devils as any I have met with.

1897 M. Kingsley Trav. W. Afr. 329 A treacherous, thievish, murderous cannibal.

2. figurative. Of things: Deceptive, untrustworthy, unreliable; of ground, ice, etc., unstable, insecure.

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 world > action or operation > harm or detriment > danger > [adjective] > insecure > treacherous

ficklea1398

unfaithfula1586

false1590

treacherous1612

tricksing1681

1612 B. Jonson Alchemist ii. iii. sig. E3 O yes, but I forgot. I haue..One o' the treacherou'st memories, I doe thinke, Of all mankinde.

1711 A. Pope Ess. Crit. 29 The treach'rous Colours in few Years decay, And all the bright Creation fades away.

1806 J. Beresford Miseries Human Life I. ii. 25 The ice proving treacherous.

1855 T. B. Macaulay Hist. Eng. III. xiii. 335 Up steep crags, and over treacherous morasses, he moved as easily [etc.].

1860 J. Tyndall Glaciers of Alps i. xv. 102 Over other [crevasses] a thin and treacherous roof was thrown.

1901 T. J. Alldridge Sherbro xxvi. 288 We scrambled over a treacherous-looking bamboo bridge.

This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2021).

单词	treacherous
释义	treacherousadj. /ˈtrɛtʃərəs/ Forms: Middle English tricherous, tricherows; Middle English–1600s trecherous, (Middle English -us, Middle English -owse, treccherous, 1500s trechrous, 1600s tretcherous), 1500s– treacherous, (1500s -ouse). Etymology: < Old French trecher-, tricheros, -us, -eus (12th cent. in Godefroy), < trecheur , tricheur treacher n.: see -ous suffix. 1. Of persons, their attributes or actions: Characterized by treachery; deceiving, perfidious, false; disloyal, traitorous. ΘΚΠ the mind > goodness and badness > wrongdoing > treachery or treason > [adjective] lewec1000 culvert?c1225 false?c1225 fokela1275 colwardc1330 treacherousc1330 traitorousc1380 traitora1400 treasonfula1400 traitorfulc1440 treasonousc1450 treasonable1487 proditiousa1500 proditorya1500 unfaithful1530 trustless1554 traitorlya1586 Punic1590 truce-breaking1592 faiterous1600 Iscarioticala1625 betraying1629 infide1663 traditoriana1734 Iscariotic1879 the mind > mental capacity > knowledge > conformity with what is known, truth > deceit, deception, trickery > [adjective] ficklea1000 hinderyeapc1000 swikelc1000 as right (also stiff, straight, crooked, etc.) as a ram's hornOE fakenOE swikefulc1100 frakelc1175 swikec1175 wrenchfulc1225 wielfulc1275 ginfulc1300 guileful13.. treacherousc1330 guilesomea1382 guilousc1384 enginousa1393 deceivant1393 treacherc1400 serpentinec1422 deceivousa1425 guilyc1430 beguilous1483 slapea1500 fallacious1509 treget1519 gaudya1529 beguileful1530 Spanish1530 juggling?1531 snakish1532 prestigious?1534 knack-hardy1549 pratting1570 fogging1585 snakya1586 abusive1595 faithless1597 faiterous1600 guiled1600 trompant1605 amusing1609 braida1616 dodging1625 Ulyssean1639 tricksome1648 knackish1660 hocus-pocus1668 bubbling1675 rusé1689 tricking1697 trickish1705 lurching1728 tricksy1766 trickful1775 tricky1786 slippy1828 shirky1847 dodgy1861 sidewinding1902 slithery1902 hyping1968 deceiteous- society > morality > duty or obligation > recognition of duty > undutifulness > treachery > [adjective] swikec893 lewec1000 swikelc1000 swikefulc1100 culvert?c1225 fokela1275 colwardc1330 treacherousc1330 traitorousc1380 traitora1400 treacherc1400 traitorfulc1440 proditorious?a1475 fraudfulc1475 proditiousa1500 proditorya1500 perfidiousa1538 snakya1586 traitorlya1586 Punic1590 traitor-wise1598 faiterous1600 Iscarioticala1625 Judaslya1626 fidious1640 traditoriana1734 double-crossing1838 Judasian1855 Iscariotic1879 two-timing1927 two-time1937 quisling1941 c1330 R. Mannyng Chron. Wace (Rolls) 16519 Þe tricherous Saxons—Þeyr tricherye vs euere mones. a1387 J. Trevisa tr. R. Higden Polychron. (St. John's Cambr.) (1865) I. 357 Þe men beeþ variable and vnstedefast, trecherous and gileful. 1483 Cath. Angl. 392/1 Trecherus, vbi fals (A.). 1570 P. Levens Manipulus Vocabulorum sig. Siii^v/2 Treacherouse, proditorius. a1616 W. Shakespeare Cymbeline (1623) iv. ii. 319 To write, and read, Be henceforth treacherous . View more context for this quotation c1660 J. Evelyn Diary anno 1644 (1955) II. 254 After a true tretcherous Italian guize. 1725 D. Defoe New Voy. round World i. 98 A fierce, cruel, treacherous, and merciless Crew of humane Devils as any I have met with. 1897 M. Kingsley Trav. W. Afr. 329 A treacherous, thievish, murderous cannibal. 2. figurative. Of things: Deceptive, untrustworthy, unreliable; of ground, ice, etc., unstable, insecure. 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 world > action or operation > harm or detriment > danger > [adjective] > insecure > treacherous ficklea1398 unfaithfula1586 false1590 treacherous1612 tricksing1681 1612 B. Jonson Alchemist ii. iii. sig. E3 O yes, but I forgot. I haue..One o' the treacherou'st memories, I doe thinke, Of all mankinde. View more context for this quotation 1711 A. Pope Ess. Crit. 29 The treach'rous Colours in few Years decay, And all the bright Creation fades away. 1806 J. Beresford Miseries Human Life I. ii. 25 The ice proving treacherous. 1855 T. B. Macaulay Hist. Eng. III. xiii. 335 Up steep crags, and over treacherous morasses, he moved as easily [etc.]. 1860 J. Tyndall Glaciers of Alps i. xv. 102 Over other [crevasses] a thin and treacherous roof was thrown. 1901 T. J. Alldridge Sherbro xxvi. 288 We scrambled over a treacherous-looking bamboo bridge. This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2021). < adj.c1330
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