From Middle English concelen, from Old French conceler (“hide, disguise”), from Latin concelāre, infinitive of concelō (“carefully disguise”).

• (Received Pronunciation) IPA^(key): /kənˈsiːl/
• (General American) IPA^(key): /kənˈsil/

• Audio (General American):

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• Rhymes: -iːl
• Hyphenation: con‧ceal
• Rhymes: -iəl

conceal (third-person singular simple present conceals, present participle concealing, simple past and past participle concealed)

1. (transitive) To hide something from view or from public knowledge, to try to keep something secret.

   He tried to conceal the truth about his health.

   • 1910, Emerson Hough, chapter II, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC:

     Carried somehow, somewhither, for some reason, on these surging floods, were these travelers, of errand not wholly obvious to their fellows, yet of such sort as to call into query alike the nature of their errand and their own relations. It is easily earned repetition to state that Josephine St. Auban's was a presence not to be concealed.

• cover up
• hide
• obfuscate
• secrete

• reveal
• uncover
• admit