ADJECTIVE 2 If something is dear, it costs a lot of money.
death NOUN
Death is the end of life, when an animal or person dies.
decade decades NOUN
A decade is a period of ten years.
decay decays, decaying, decayed VERB
When something like a plant or piece of meat decays, it becomes rotten.
deceive deceives, deceiving, deceived VERB
If someone deceives you, they make you believe something untrue.
December NOUN
December is the 12th month of the year. It has 31 days.
decide decides, deciding, decided VERB
If you decide to do something, you make up your mind to do it.
decimal decimals
ADJECTIVE 1 A decimal system involves counting in units of ten.
NOUN 2 A decimal or decimal fraction is written with a dot followed by numbers, such as 0·2, 8·35. The numbers after the dot represent tenths, hundredths and so on.
NOUN 3 A decimal point is the dot that comes between whole numbers and fractions.
NOUN 4 A decimal place is the position of a number after a decimal point.
decision decisions NOUN
A decision is a choice you make about what you think should be done.
deck decks NOUN
A deck is a floor on a ship or bus.
decorate decorates, decorating, decorated
VERB 1 If you decorate something, you add things to make it more attractive.
VERB 2 If someone decorates a room, they paper it or paint it.
decorations PLURAL NOUN
decrease decreases, decreasing, decreased VERB
If something decreases, or if you decrease it, it becomes less.
deep deeper, deepest ADJECTIVE
If something is deep, it goes a long way down. The river is very deep.
deer NOUN
A deer is a large hoofed animal. Male deer have horns called antlers.
defeat defeats, defeating, defeated VERB
If you defeat someone, you beat them in a game or battle.
defend defends, defending, defended VERB
If you defend someone or something, you do something to protect them against danger.
defence NOUN
define defines, defining, defined VERB
If you define something, you say what it is or what it means.
definite
ADJECTIVE 1 Something that is definite is unlikely to be changed. We have a definite date for the outing.
ADJECTIVE 2 Definite can also mean certain or true. Lots of stories were going round, but they heard nothing definite.
definitely ADVERB
definition definitions NOUN
A definition explains the meaning of a word.
degree degrees
NOUN 1 A degree is a unit of measurement of temperature, for example, 20°C.
NOUN 2 In maths, a degree is a unit of measurement of angles. For example, a right angle is 90°.
delay delays, delaying, delayed VERB
If something delays you, it causes you to slow down or be late.