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English definition of “dream”

dream

noun   /drim/ (past tense and past participle dreamed, dreamt)
A2 events and images in your mind while you are sleeping: I had a very strange dream last night.
B1 something that you want to happen although it is not very likely: It was his dream to become an actor.
be in a dream to not notice things that are around you because you are thinking about something else: I didn’t hear what you were saying – I was in a dream.
(Definition of dream noun from the Webster's Essential Mini Dictionary © Cambridge University Press)

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