masked

/mæskt/
adjective
  1. Wearing a mask or disguise over the face.
    • The masked robber entered the bank and demanded money.
    • At the costume party, everyone was masked except the host.
    • The superhero remained masked to protect his secret identity.
  2. Hidden or concealed; not easily seen or recognized.
    • The disease often goes masked by mild symptoms in the early stages.
    • His cheerful smile masked a deep sadness.
    • The true cost of the project was masked by hidden fees.