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English definition of “fear”

fear

noun [C or U] uk   /fɪər/ us    /fɪr/
B1 an unpleasant emotion or thought that you have when you are frightened or worried by something dangerous, painful, or bad that is happening or might happen: Trembling with fear, she handed over the money to the gunman. Even when the waves grew big, the boy showed no (signs of) fear. I have a fear of heights. The low profit figures simply confirmed my worst fears. [+ that] There are fears that the disease will spread to other countries. be in fear of your life to be frightened that you might be killed: Lakisha sat inside, in fear of her life, until the police came. be no fear of sth informal to be no possibility that a particular thing will happen: Malcolm knows the city well, so there's no fear of us getting lost (= we will not get lost). for fear that/of sth C2 because you are worried that a particular thing might happen: They wouldn't let their cat outside for fear (that) it would get run over. I didn't want to move for fear of waking her up.

fear

verb uk   /fɪər/ us    /fɪr/
B2 [T; not continuous] to be frightened of something or someone unpleasant: Most older employees fear unemployment. What do you fear most? B2 [T; not continuous] formal to be worried or frightened that something bad might happen or might have happened: [+ (that)] Police fear (that) the couple may have drowned.formal It is feared (that) as many as two hundred passengers may have died in the crash. We huddled together, fearing we might be killed. [+ to infinitive] Fearing to go herself, she sent her son to find out the news. I fear formal used to give someone news of something bad that has happened or might happen: [+ (that)] I fear (that) she's already left.
Idioms
Phrasal verbs
(Definition of fear from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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