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English definition of “conceal”

conceal

verb [T] uk   /kənˈsiːl/ us  
C2 to prevent something from being seen or known about: The listening device was concealed in a pen. I tried to conceal my surprise when she told me her age. It was said that the police concealed vital evidence. Is there something you're concealing from me?
Synonym
Hiding and disguising
concealed
adjective uk   /-ˈsiːld/ us  
The robbery had been recorded on a concealed security camera. He was carrying a concealed weapon. The room had concealed lighting.Hiding and disguising
(Definition of conceal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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