Expand your vocabulary 2

1. Match the following words to the definitions:
            latent, catalyst, accomplice, stagnant, morose, arbitrary, rebut, paramount, servitude, facilitate

• n. a person who takes part in a crime - ..............................
• adj. unreasonable; based on one's own wishes or whims without regard for reason or fairness - .............................
• n. a substance that causes or hastens a chemical reaction; any agent that causes change - ................................
• v. to make easier, assist - .............................
• adj. hidden, present but not realized - ...............................
• adj. having a gloomy or sullen manner; not friendly or sociable - ..............................
• adj. chief in importance, above all others - ...........................
• v. to offer arguments or evidence that contradict an assertion, to refute - ...........................
• n. slavery, forced labour - ........................
• adj. not running or flowing, foul from standing still, inactive, sluggish, dull - ...........................

 2. From the words in the previous exercise, choose the one that best completes the following sentences.

• When he was suddenly deprived of everything he valued in life, the poor man became extremely gloomy and _________ . 
• After the opposing speakers had both presented their cases, they were allowed time to _________ each other's arguments.
• Though they had been there all along, Grandma Moses did not discover her ___________ artistic talents until well into her seventies. 
• In large areas of the huge swamp, there were ________ pools of water covered with unmoving masses of green slime.
• Even though the youngster did not actually steal he vehicle, he acted as one of the thief's ____________.
• The helpful librarian did much to __________ the research for my term paper.
• In certain industrial processes, __________ speed up the desired reaction by lessening the amount of energy needed to produce it.
• No matter what make of automobile you have, it is of ___________ importance that you learn to drive safely before you use it.
• Many people came to the New World after they had been sentenced to terms of penal ____________ for crimes they had committed. 
• In guaranteeing the right to "due process of law", the Constitution protects Americans against ___________ arrest and imprisonment. 

3. From the words in the previous exercises, choose the one that is opposite in meaning to the following words and expressions. 

• cheerful, jaunty, buoyant - ...................
• freedom, liberty - .................
• secondary, subordinate - ......................
• to confirm, corroborate, substantiate - .................
• to hamper, hinder, obstruct, impede - .....................
• reasoned, rational, objective - ......................
• flowing, running, fresh - ....................
• exposed, evident - .................... 

You will find the Key in the first comment.