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English definition of “comprehend”

comprehend

verb [I or T, not continuous] uk   /ˌkɒm.prɪˈhend/ us    /ˌkɑːm-/ formal
to understand something completely: I fail to comprehend their attitude. He doesn't seem to comprehend the scale of the problem [+ question word] I'll never comprehend why she did what she did. [+ that] I don't think he fully comprehends that she won't be here to help him.
(Definition of comprehend from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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