civil rights [the political, economic and social rights given equally to all people of a nation] The law protects the civil rights of all citizens.
claim [to say something as a fact] He claimed that his opponent lied about his activities as a student leader.
clash [(1) a battle; (2) to fight or oppose] Ten protesters were injured in the clash with police. (1) Angry farmers blocked roads and clashed with soldiers. (2)
clean [(1) to make pure; (2) free from dirt or harmful substances] Please clean your room. (1) Too many people around the world do not have clean water to drink. (2)
clear [(1) easy to see or see through; (2) easily understood] Clear water is not always safe to drink. (1) He won the debate because his arguments were clear to almost everyone. (2)
clergy [a body of officials within a religious organization] Many in the clergy supported the reforms proposed by the rebels.
climate [the normal weather conditions of a place] Many retired people like to spend the winter in the warm climate of Florida.
climb [to go up or down something by using the feet and sometimes the hands] The firemen climbed ladders to rescue people living above the ground floor.
clock [a device that measures and shows time] I was late for work because my clock stopped.
close [(1) to make something not open; (2) near to] Please close the window before you come to bed. (1) Stay close to me in this big crowd. (2)
cloth [a material made from plants, chemicals, animal hair and other substances] I feel cooler in summer when I wear shirts made of cotton cloth.
clothes [what people wear] Be sure to bring enough clothes for two weeks.
cloud [a mass of fog high in the sky] Clouds like those usually mean rain will come soon.
coal [a solid black substance used as fuel] Much of our electricity is produced by plants that burn coal as fuel.
coalition [forces, groups or nations joined together] The country is led by a coalition government of three parties.