Here is a free excerpt of the TOEFL iBT Word Power e-Book for you to study:

Abbreviations used in the TOEFL iBT Word Power ebook:

adj. - adjective

adv. - adverb

ant. - antonym

der. - derivative

e.g. - example

esp. especially

exp. - expression

met. - metaphorical

n. - noun

p. part.- past participle

ph. v. - phrasal verb

sbdy - somebody

sthg - something

syn. - synonym

v. - verb

accumulate - (v.) to increase gradually in amount or quantity. e.g. - She did not become a millionaire overnight. She accumulated her wealth over many years. Der. (n.) accumulation; (adj.) accumulative; (adv.) accumulatively.

accustomed (to) - (adj.) having become familiar with or used to certain conditions because of habit or experience. e.g. - I became accustomed to getting up earlier after having had a class at 8:00 this semester. Der. (v.) accustom.

acquit - (v.) to find an accused suspect not guilty of a crime in court. e.g. - The suspect was acquitted of the crime when he was found "not guilty" by the court. Der. (n.) acquittal.

adjacent - (adj.) being next door or nearby. e.g. - You don't need to go far to buy bread. There is a grocery store adjacent to our house.  Der. (n.) adjacency.

alacrity - (n.) the willingness or readiness to carry out a specific action. e.g. - Sarah is an eager student and studies with alacrity.

. . .

blandishment - (n.) compliment. e.g. - Mike gave me a nice blandishment yesterday. He told me that I was the most beautiful girl he'd ever seen. Der. (v.) blandish.

bleak - (adj.) hopeless; depressing. e.g. - What bleak weather! Gray sky and rain get me down. Der. (n.) bleakness; (adv.) bleakly.

blunder - (n.) error; mistake. e.g. - The accident resulted from his blunder in failing to signal his turn.

bogus - (adj.) not authentic; fake; (syn.) phoney. e.g. - The bogus painting of the "Mona Lisa" is often mistaken for the genuine one.

bolster - (v.) to raise or increase by supporting the cause or interest of something. e.g. - Going to Disneyland bolstered the spirits of the terminally-ill children.

. . .

calamity - (n.) disaster; catastrophe. e.g. - The San Francisco earthquake was one of America's worst natural calamities.

candor - (n.) honesty; frankness. e.g. - If I can speak with candor, I must tell you that your behavior is entirely unacceptable. Der. (adj.) candid; (adv.) candidly.

capitulate - (v.) to give up or surrender in battle. e.g. - The army capitulated after the enemy’s heavy attack. Der. (n.) capitulation.

censure - (v.) to experience public criticism by one's colleagues. e.g. - The lawyer was censured by the state legal committee for attempting to steal money from a client. Der. (n.) censure.

chaperon - (n.) an individual who accompanies or goes with another. e.g. - An attractive young man was her chaperon for the evening. Der. (v.) chaperon.

. . .

These are just a few examples of from our TOEFL iBT Vocabulary e-Book. The actual TOEFL iBT Word Power ebook goes from A to Z and is 45 pages long!