01 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 02 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 03 radiation ⇛-n. waves of energy from something that pro-duces heat or light; energy from a nuclear substance, which can be dangerous 04 radio ⇛-n. the system of sending and receiving signals or sounds through the air without wires 05 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 06 railroad ⇛-n. a road for trains; a company that operates such a road and its stations and equipment 07 rain ⇛-n. water falling from the sky 08 raise ⇛ -v. to lift up; to move to a higher position; to cause to grow; to increase 09 rape ⇛ -v. to carry out a sexual attack by force against a person 10 rare ⇛adj. not common; not usual; not often 11 rate ⇛-n. speed; a measure of how quickly or how often something happens; the price of anything 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 ⇛adj. prepared; completed; organized; willing 16 real ⇛adj. true; truly existing; not false 17 realistic ⇛adj. in agreement with the way things are 18 reason ⇛-n. the cause for a belief or act; purpose; something that explains 19 reasonable ⇛adj. 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 ⇛adj. 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 ⇛adj. 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 ⇛adj. 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 ⇛adj. 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.”); adj. 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 robot ⇛-n. a machine that moves and performs work 76 rock ⇛-n. a hard piece of mineral matter 77 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 78 roll ⇛ -v. to turn over and over; to move like a ball 79 room ⇛-n. a separate area within a building with its own walls 80 root ⇛-n. the part of a plant that is under the ground and takes nutrients from the soil 81 rope ⇛-n. a long, thick piece of material made from thinner pieces of material, used for tying 82 rough ⇛adj. not flat or smooth; having an uneven surface; violent; not made well 83 round ⇛adj. having the shape of a ball or circle 84 rub ⇛ -v. to move something over the surface of another thing 85 rubber ⇛-n. a substance made from the liquid of trees with the same name, or a similar substance made from chemicals 86 ruin ⇛ -v. to damage severely; to destroy 87 rule ⇛ -v. to govern or control; to decide; n. a statement or an order that says how something must be done 88 run ⇛ -v. to move quickly by steps faster than those used for walking 89 rural ⇛adj. describing areas away from cities which may include farms, small towns and unpopulated areas.
01 sabotage v. to damage or destroy as an act against an organization or nation 02 sacrifice v. to do without something or to suffer a loss for a belief, idea, goal or another person 03 sad adj. not happy 04 safe adj. away from harm or danger 05 sail v. to travel by boat or ship 06 sailor n. a person involved in sailing a boat or ship 07 salt n. a white substance found in sea water and in the ground, used to affect the taste of food 08 same adj. not different; not changed; like another or others 09 sand n. extremely small pieces of crushed rock found in large amounts in deserts and on coasts 10 satellite n. a small object in space that moves around a larger object; an object placed in orbit around the earth
