believe in sth - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “believe in sth”

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believe in sth

phrasal verb with believe uk   us   /bɪˈliːv/ verb [T]
B1 to be certain that something exists: Do you believe in ghosts?B2 to be confident that something is effective and right: They don't believe in living together before marriage. He believes in saying what he thinks.
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(Definition of believe in sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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