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English definition of “sink in”

sink in

informal
verb uk phrasal verb with sink   /sɪŋk/ (sank or US also sunk, sunk) us  
If an unpleasant or surprising fact or idea sinks in, you gradually start to believe it, understand it, or realize the effect it will have on you: How many times do I have to tell you something before it sinks in? His voice trailed off as the seriousness of his position sank in.Understanding and comprehending
(Definition of sink in from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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