NOUN 2 a fastening such as a hook or a catch
class classes
NOUN 1 a group of pupils or students taught together, or a lesson that they have together
2 A class of people or things is a group of them of a particular type. • Beetles and ants belong to different classes of insect.
SYNONYMS: group, kind, type
classic
ADJECTIVE Something described as classic is considered a high quality example of something. • He has a classic car.
classical
ADJECTIVE 1 traditional in style and content • classical ballet
2 Classical music is serious music thought to be of lasting value.
classify classifies, classifying, classified
VERB to arrange things into groups with something in common • We classified the foods into three groups: fruits, vegetables and meats.
classification NOUN
classroom classrooms
NOUN a room in a school where lessons take place
clatter clatters, clattering, clattered
VERB 1 When things clatter, they hit each other with a loud, rattling noise.
NOUN 2 a loud noise made by hard things hitting against each other • There was a great clatter when the waitress dropped the tray.
clause clauses
NOUN In grammar, a clause is a group of words with a subject and a verb, which may be a complete sentence or part of a sentence.
claw claws, clawing, clawed
NOUN 1 An animal’s claws are the hard, curved nails at the end of its feet.
2 The claws of a crab or a lobster are the two jointed parts at the end of the leg, used for holding things.
VERB 3 3 If an animal claws something, it digs its claws into it
clay
NOUN a type of earth that is soft and sticky when wet and hard when baked dry. It is used to make pottery and bricks.
clean cleaner, cleanest; cleans, cleaning, cleaned
ADJECTIVE 1 free from dirt or unwanted marks
VERB 2 to remove dirt from something
clear clearer, clearest; clears, clearing, cleared
ADJECTIVE 1 easy to understand, see or hear • The instructions on the packet were very clear.
2 easy to see through • a clear liquid
VERB 3 To clear unwanted things from a place is to remove them. • We cleared the dirty dishes from the table.
4 If you clear a fence or other obstacle, you jump over it without touching it.
clearly ADVERB
clear up
VERB When you clear up a place, you tidy it and put things away.
clench clenches, clenching, clenched
VERB 1 When you clench your fist, you curl your fingers up tightly.
2 When you clench your teeth, you squeeze them together tightly, either in pain or in anger.
clerk clerks
NOUN a person who keeps records or accounts in an office, bank or law court
clever cleverer, cleverest
ADJECTIVE 1 intelligent and quick to understand things
SYNONYMS: bright, intelligent, smart
2 very effective or skilful • We came up with a clever plan.
cliché clichés
NOUN an idea or phrase that is no longer effective because it has been used so much. For example, in this day and age and over the moon.
click clicks, clicking, clicked
VERB 1 When something clicks or when you click it, it makes a short snapping sound.