English to English

verb (v)

• reveal the true nature of(verb.communication)

  Example:
  The journal article unmasked the corrupt politician.
  

  Synonym:
  uncloak
  

  source: wordnet30
• take the mask off(verb.contact)

  Example:
  Unmask the imposter.
  

  Antonym:
  mask
  

  source: wordnet30
• To strip of a mask or disguise; to lay open; to expose.(verb)

  source: webster1913
• To put off a mask.(verb)

  source: webster1913