SAT最常见的1000个词汇（I-1）

　　该词表中的词汇主要是针对美国学生挑选出来的，这1000个词汇是属于SAT考试中常出现但美国学生却不熟悉的词汇，因此该词表中的词汇难度较大。如果你是刚刚接触SAT的考生，最好不要立即使用该词表，推荐留在备考的最后阶段再使用。

 iconoclast (n.) one who attacks common beliefs or institutions (Jane goes to one protest
after another, but she seems to be an iconoclast rather than an activist with a
progressive agenda.)
idiosyncratic (adj.) peculiar to one person; highly individualized (I know you had
trouble with the last test, but because your mistakes were highly idiosyncratic, I’m
going to deny your request that the class be given a new test.)
idolatrous (adj.) excessively worshipping one object or person (Xena’s idolatrous
fawning over the band—following them on tour, starting their fan club, filming
their documentary—is really beginning to get on my nerves.)
ignominious (adj.) humiliating, disgracing (It was really ignominious to be kicked out of
the dorm for having an illegal gas stove in my room.)
illicit (adj.) forbidden, not permitted (The fourth-grader learned many illicit words
from a pamphlet that was being passed around school.)
immerse (v.) to absorb, deeply involve, engross (After breaking up with her boyfriend,
Nancy decided to immerse herself in her work in order to avoid crying.)
immutable (adj.) not changeable (The laws of physics are immutable and constant.)
impassive (adj.) stoic, not susceptible to suffering (Stop being so impassive; it’s healthy
to cry every now and then.)
impeccable (adj.) exemplary, flawless (If your grades were as impeccable as your sister’s,
then you too would receive a car for a graduation present.)
impecunious (adj.) poor (“I fear he’s too impecunious to take me out tonight,” the
bratty girl whined.)
imperative 1. (adj.) necessary, pressing (It is imperative that you have these folders
organized by midday.) 2. (n.) a rule, command, or order (Her imperative to have
the folders organized by midday was perceived as ridiculous by the others.)
imperious (adj.) commanding, domineering (The imperious nature of your manner led
me to dislike you at once.)
impertinent (adj.) rude, insolent (Most of your comments are so impertinent that I don’t
wish to dignify them with an answer.)
impervious (adj.) impenetrable, incapable of being affected (Because of their thick layer
of fur, many seals are almost impervious to the cold.)
impetuous (adj.) rash; hastily done (Hilda’s hasty slaying of the king was an impetuous,
thoughtless action.)
impinge 1. (v.) to impact, affect, make an impression (The hail impinged the roof,
leaving large dents.) 2. (v.) to encroach, infringe (I apologize for impinging upon
you like this, but I really need to use your bathroom. Now.)
implacable (adj.) incapable of being appeased or mitigated (Watch out: once you shun
Grandma’s cooking, she is totally implacable.)
implement 1. (n.) an instrument, utensil, tool (Do you have a knife or some other sort of
implement that I could use to pry the lid off of this jar?) 2. (v.) to put into effect, to
institute (After the first town curfew failed to stop the graffiti problem, the mayor
implemented a new policy to use security cameras to catch perpetrators in the act.)
implicate (v.) to involve in an incriminating way, incriminate (Even though Tom wasn’t
present at the time of the shooting, he was implicated by the evidence suggesting that
he had supplied the shooters with guns.)
implicit (adj.) understood but not outwardly obvious, implied (I know Professor Smith
didn’t actually say not to write from personal experience, but I think such a message
was implicit in her instruction to use scholarly sources.)
impregnable (adj.) resistant to capture or penetration (Though the invaders used
battering rams, catapults, and rain dances, the fortress proved impregnable and
resisted all attacks.)
impudent (adj.) casually rude, insolent, impertinent (The impudent young man looked
the princess up and down and told her she was hot even though she hadn’t asked
him.)