1. Without revealing one's identity
   - incognito

1. With your identity concealed
   - incognito

See also: concealed

• posteriorly
• posterity
• postern
• postexilic
• postfix
• postfix notation
• postganglionic
• postglacial
• postgraduate
• posthitis
• posthole
• posthouse
• posthumous
• posthumous birth
• posthumously
• posthypnotic amnesia
• posthypnotic suggestion
• postiche
• postictal
• postie
• postilion
• postillion
• postindustrial
• posting
• postlude