careful [(1) acting safely; (2) with much thought] Please be careful when you drive. (1) He was careful to choose exactly the right words. (2)
carry [to take something or someone from one place to another] Would you carry this bag for me, please?
case (court) [a legal action] The judge will call your case next.
case (medical) [an incident of disease] There was only one case of chicken pox at the school.
cat [a small animal that often lives with humans] My cat climbed that tree and is afraid to come down.
catch [(1) to seize after a chase; (2) to stop and seize with the hands] He runs so fast that no one can catch him. (1) Catch the ball and throw it back to me. (2)
cause [(1) to make happen; (2) the thing or person that produces a result] Too much rain caused the flood. (1) The cause of the flood was too much rain. (2)
ceasefire [a halt in fighting, usually by agreement] The ceasefire stopped the fighting.
celebrate [to honor a person or event with special activities] I think we should have a party to celebrate your birthday.
center [(1) the middle of something; (2) the place in the middle; (3) a place that is the main point of an activity] There was a hole in the center of the target. (1) The chair sat at the center of the room. (2) The experts checked the nuclear center for radiation leaks. (3)
century [one hundred years] This is the first year of the 21st century.
ceremony [an act or series of acts done in a special way established by tradition] The new president took the oath of office at the inaugural ceremony in front of the capitol.
chairman [a person leading a meeting or an organized group] The party chairman led the meeting.
champion [(1) the best; (2) the winner] John is a champion swimmer. (1) The New York Yankees were the champions of professional baseball in the first year of the new century. (2)
chance [a possibility of winning or losing or that something will happen] We have a good chance of getting home before dark.