| 1 | race | v. | to run; to take part in a competition to decide who or what can move fastest; to take part in a campaign for political office; n. one of the major groups that humans can be divided into because of a common physical similarity, such as skin color |
| 2 | radar | n. | a device that uses radio signals to learn the position or speed of objects that may be too far away to be seen |
| 3 | radiation | n. | waves of energy from something that produces heat or light; energy from a nuclear substance, which can be dangerous |
| 4 | radio | n. | the system of sending and receiving signals or sounds through the air without wires |
| 5 | raid | v. | to make a sudden attack; n. a sudden attack carried out as an act of war, or for the purpose of seizing or stealing something |
| 6 | railroad | n. | a road for trains; a company that operates such a road and its stations and equipment |
| 7 | rain | n. | water falling from the sky |
| 8 | raise | v. | to lift up; to move to a higher position; to cause to grow; to increase |
| 9 | rape | v. | to carry out a sexual attack by force against a person |
| 10 | rare | ad. | not common; not usual; not often |
| 11 | rate | n. | speed; a measure of how quickly or how often something happens; the price of any thing or service that is bought or sold |
| 12 | reach | v. | to put a hand toward; to arrive at; to come to |
| 13 | react | v. | to act as a result of or in answer to |
| 14 | read | v. | to look at and understand the meaning of written words or numbers |
| 15 | ready | ad. | prepared; completed; organized; willing |
| 16 | real | ad. | true; truly existing; not false |
| 17 | realistic | ad. | in agreement with the way things are |
| 18 | reason | n. | the cause for a belief or act; purpose; something that explains |
| 19 | reasonable | ad. | ready to listen to reasons or ideas; not extreme; ready or willing to compromise |
| 20 | rebel | v. | to act against a government or power, often with force; to refuse to obey; n. one who opposes or fights against the government of his or her country |
| 21 | receive | v. | to get or accept something given, offered or sent |
| 22 | recent | ad. | a short time ago |
| 23 | recession | n. | a temporary reduction in economic activity, when industries produce less and many workers lose their jobs |
| 24 | recognize | v. | to know or remember something or someone that was known, known about or seen before; to accept another nation as independent and establish diplomatic ties with its government |
| 25 | record | v. | to write something in order to have it for future use; to put sound or pictures in a form that can be kept and heard or seen again; n. a writing that shows proof or facts about something |
| 26 | recover | v. | to get again something that was lost, stolen or taken away ("The police recovered the stolen money."); to return to normal health or normal conditions She is expected to recover from the operation.") |
| 27 | red | ad. | having the color like that of blood |
| 28 | reduce | v. | to make less or smaller in number, size or amount; to cut |
| 29 | reform | v. | to make better by changing; to improve; n. a change to a better condition |
| 30 | refugee | n. | a person who has been forced to flee because of unjust treatment, danger or war |
| 31 | refuse | v. | to reject; to not accept, give or do something |
| 32 | register | v. | to have one’s name officially placed on a list of people permitted to vote in an election or take part in an educational program |
| 33 | regret | n. | a feeling of sadness or sorrow about something that is done or that happens |
| 34 | reject | v. | to refuse to accept, use or believe |
| 35 | relations | n. | understandings or ties between nations; members of the same family; people connected by marriage or family ties |
| 36 | release | v. | to free; to permit to go; to permit to be known or made public |
| 37 | religion | n. | a belief in, or the honoring of, a god or gods |
| 38 | remain | v. | to stay in a place after others leave; to stay the same |
| 39 | remains | n. | a dead body |
| 40 | remember | v. | to think about the past; opposite forget |
| 41 | remove | v. | to take away or take off; to put an end to; to take out of a position or office |
| 42 | repair | n. | work done to fix something |
| 43 | repeat | v. | to say or do again |
| 44 | report | v. | to tell about; to give the results of a study or investigation; n. the story about an event; the results of a study or investigation; a statement in which the facts may not be confirmed |
| 45 | represent | v. | to act in the place of someone else; to substitute for; to serve as an example |
| 46 | repress | v. | to control or to restrict freedoms by force |
| 47 | request | v. | to ask for; n. the act of asking for |
| 48 | require | v. | to need or demand as necessary |
| 49 | rescue | v. | to free from danger or evil |
| 50 | research | n. | a careful study to discover correct information |
| 51 | resign | v. | to leave a position, job or office |
| 52 | resist | v. | to oppose; to fight to prevent |
| 53 | resolution | n. | an official statement of agreement by a group of people, usually reached by voting |
| 54 | resource | n. | anything of value that can be used or sold |
| 55 | respect | v. | to feel or show honor to a person or thing (“All citizens should respect the law.”) |
| 56 | responsible | ad. | having a duty or job to do ("He is responsible for preparing the report."); being the cause of ("They were responsible for the accident.") |
| 57 | rest | v. | to sit, lie down or sleep to regain strength; n. that which remains; the others |
| 58 | restaurant | n. | a place where people can buy and eat meals |
| 59 | restrain | v. | to keep controlled; to limit action by a person or group |
| 60 | restrict | v. | to limit; to prevent from increasing or becoming larger |
| 61 | result | v. | to happen from a cause; n. that which follows or is produced by a cause; effect |
| 62 | retire | v. | to leave a job or position because one is old or in poor health |
| 63 | return | v. | to go or come back; to bring, give, take or send back |
| 64 | revolt | v. | to protest violently; to fight for a change, especially of government |
| 65 | rice | n. | a food grain |
| 66 | rich | ad. | having much money or goods; having plenty of something |
| 67 | ride | v. | to sit on or in and be carried along; to travel by animal, wheeled vehicle, airplane or boat |
| 68 | right | n. | what a person legally and morally should be able to do or have ("It is their right to vote."); ad. agreeing with the facts; good; correct; opposite wrong; on the side that is toward the east when one is facing north; opposite left |
| 69 | riot | v. | to act with many others in a violent way in a public place; n. a violent action by a large group of people |
| 70 | rise | v. | to go up; to go higher; to increase; to go from a position of sitting or lying to a position of standing |
| 71 | risk | n. | the chance of loss, damage or injury |
| 72 | river | n. | a large amount of water that flows across land into another river, a lake or an ocean |
| 73 | road | n. | a long piece of hard ground built between two places so people can walk, drive or ride easily from one place to the other |
| 74 | rob | v. | to take money or property secretly or by force; to steal |
| 75 | rock | n. | a hard piece of mineral matter |
| 76 | rocket | n. | a device shaped like a tube that moves through air or space by burning gases and letting them escape from the back or bottom, sometimes used as a weapon |
| 77 | roll | v. | to turn over and over; to move like a ball |
| 78 | room | n. | a separate area within a building with its own walls |
| 79 | root | n. | the part of a plant that is under the ground and takes nutrients from the soil |
| 80 | rope | n. | a long, thick piece of material made from thinner pieces of material, used for tying |
| 81 | rough | ad. | not flat or smooth; having an uneven surface; violent; not made well |
| 82 | round | ad. | having the shape of a ball or circle |
| 83 | rub | v. | to move something over the surface of another thing |
| 84 | rubber | n. | a substance made from the liquid of trees with the same name, or a similar substance made from chemicals |
| 85 | ruin | v. | to damage severely; to destroy |
| 86 | rule | v. | to govern or control; to decide; n. a statement or an order that says how something must be done |
| 87 | run | v. | to move quickly by steps faster than those used for walking |
| 88 | rural | ad. | describing areas away from cities which may include farms, small towns and unpopulated areas |