concealing

/K AH0 N S IY1 L IH0 NG/
verb
  1. 1

    To hide something from view or from public knowledge, to try to keep something secret.

    โ€œHe tried to conceal the truth about his health.โ€

noun
  1. 1

    An act of concealment.

  2. 2

    Material, etc. that conceals something.

Source: https://en.wiktionary.org/wiki/conceal, https://en.wiktionary.org/wiki/concealing