gre实战词汇：前缀ob

subjugate
v. conquer; bring under control.
It is not our aim to subjugate our foe; we are interested onl

y in establishing peaceful relations.
构词：sub (under) + jug (yoke) + ate (v)

un=not, 反动作

unearth
v. dig up.
When they unearthed the city, the archeologists found many relics of an ancient civilization.
构词：un（反动作）+ earth

unearthly
ADJ. not earthly; weird.
There is an unearthly atmosphere in her work that amazes the casual observer.
构词：un (not) + earthly

unbridled
ADJ. violent.
She had a sudden fit of unbridled rage.
构词：un (not) + bridle（缰绳）+ ed (a)

uncanny
ADJ. strange; mysterious.
You have the uncanny knack of reading my innermost thoughts.
构词：un (not) + canny (clear)

unconscionable
ADJ. unscrupulous; excessive.
She found the loan shark’s demands unconscionable and impossible to meet.
构词：un (not) + consscion（良心）+ able

uncouth
ADJ. outlandish; clumsy; boorish.
Most biographers portray Lincoln as an uncouth and ungainly young man.
构词：un (not) + couth (knowledge)

ungainly
ADJ. awkward; clumsy; unwieldy.
“If you want to know whether Nick’s an ungainly dancer, check out my bruised feet,” said Nora. Anyone who has ever tried to carry a bass fiddle knows it’s an ungainly instrument.
构词：un (not) + gainly (proper)

unkempt
ADJ. disheveled; uncared for in appearance.
Jeremy hated his neighbor’s unkempt lawn: he thought its neglected appearance had a detrimental effect on neighborhood property values.
构词：un (not) + kempt (comb)

unprepossessing
ADJ. unattractive.
During adolescence many attractive young people somehow acquire the false notion that their appearance is unprepossessing.
构词：un (not) + pre (before) + possessing (catching)

unruly
ADJ. disobedient; lawless.
The only way to curb this unruly mob is to use tear gas.
构词：un (not) + rule + y (n)

unscathed
ADJ. unharmed.
They prayed he would come back from the war unscathed.
构词：un (not) + scathe (harm) + ed

unsavory
ADJ. distasteful; morally offensive.
People with unsavory reputations should not be allowed to work with young children.
构词：un (not) + savor (taste) + y (a)

untoward
ADJ. unfortunate or unlucky; adverse; unexpected.
Trying to sneak out of the house, Huck had a most untoward encounter with Miss Watson, who thwarted his escape.
构词：un (not) + toward（顺利）

unwieldy
ADJ. awkward; cumbersome; unmanageable.
The large carton was so unwieldy that the movers had trouble getting it up the stairs.
构词：un (not) + wield (control) + y (a)

unwitting
ADJ. unintentional; not knowing.
She was the unwitting tool of the swindlers.
构词：un (not) + wit (wisdom) + ing

with=back, against

withdrawn
ADJ. introverted; remote. withdraw money
Rebuffed by his colleagues, the initially outgoing young researcher became increasingly withdrawn
构词：with (back) + drawn

withhold
v. refuse to give; hold back.
The tenants decided to withhold a portion of the rent until the landlord kept his promise to renovate the building.
构词：with (back) + hold

withstand
v. stand up against; successfully resist.
If you can withstand all the peer pressure in high school to cut classes and goof off, you should survive college in fine shape.
构词：with (against) + stand