incog

adjective
  1. traveling or living under an assumed name or identity; in disguise or concealment
  2. Usage: informal; often used as 'incognito' in modern English
adverb
  1. in a disguised or concealed manner; without revealing one's identity
  2. Usage: informal; often used as 'incognito' in modern English
noun
  1. a person who is traveling or living under an assumed identity; a disguised person
  2. Usage: informal; often used as 'incognito' in modern English

Examples