| deadly
| adjective
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| able to kill.
| A scorpion’s sting is deadly.
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| deaf
| adjective
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| not able to hear well or not able to hear at all.
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| dear
| adjective
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| loved very much.
| A dear friend.
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| debt
| noun
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| money or a favor that you owe to someone.
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| decade
| noun
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| a period of 10 years.
| The decade of 1920 to 1929.
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| decay
| verb
| v1
| to rot away.
| Your teeth will decay if you don’t take care of them.
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| deceive
| verb
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| to trick a person into thinking something is true when it isn’t.
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| decibel
| noun
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| a unit of measurement that shows how loud a sound is.
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| decide
| verb
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| to make up your mind.
| He couldn’t decide what to eat.
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| deciduous
| adjective
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| losing leaves every year.
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| decimal
| adjective
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| counting numbers and parts of numbers in tens.
| A decimal number.
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| deck
| noun
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| one of the floors of a ship.
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| declare
| verb
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| to say something to everyone.
| The judges declared the winner at the end of the competition.
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| decline
| verb
| v1
| to decrease or get worse.
| His health declined steadily.
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| decorate
| verb
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| to make something look better by painting it or by adding extra things to it.
| Decorating a room for a party
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| decrease
| verb
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| to become smaller.
| The number of whales in the world is decreasing.
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| deep
| adjective
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| going down a long way from the surface.
| A deep well.
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| deer
| noun
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| a mammal with hooves that eats grass and leaves.
| A male deer is called a stag and has large, branching horns called antlers. A female deer is called a doe.
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| defeat
| verb
| v1
| to win a game or a battle against someone.
| She defeated her brother at chess.
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| defend
| verb
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| to protect or guard.
| Birds stay with their eggs to defend them from attackers.
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| define
| verb
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| to describe accurately what something means.
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| definite
| adjective
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| certain and clear.
| Are you definite about that?
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| degree
| noun
| v1
| a unit used to measure temperature and angles.
| The symbol for a degree is °.
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| delay
| verb
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| to take place later than expected.
| The airplane’s departure was delayed for seven hours.
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| delete
| verb
| v1
| to remove something.
| word deleted
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| deliberately
| adverb
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| on purpose.
| He deliberately pushed me.
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| delicate
| adjective
| v1
| easily broken or damaged.
| Delicate butterfly wings.
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| delicious
| adjective
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| tasting very nice.
| The ice cream was delicious.
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| delighted
| adjective
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| very pleased.
| He was delighted with his birthday present.
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| deliver
| verb
| v1
| to bring something to someone.
| They delivered the new sofa this morning.
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| jtoy
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