/ kənˈsiːl; NAmE / verb
[ vn ] conceal sb/sth (from sb/sth) ( formal ) to hide sb/sth :
The paintings were concealed beneath a thick layer of plaster.
For a long time his death was concealed from her.
Tim could barely conceal his disappointment.
She sat down to conceal the fact that she was trembling.
—see also ill-concealed ➡ note at hide
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WORD ORIGIN
Middle English : from Old French conceler , from Latin concelare , from con- completely + celare hide.