1. Without explicit official permission
   "unsanctioned use of company cars"

See also: unofficial

• public convenience
• public debate
• public debt
• public defender
• public discussion
• public domain
• public easement
• public executioner
• public exposure
• public eye
• public figure
• public holiday
• public house
• public housing
• public knowledge
• public lavatory
• public law
• public lecture
• public library
• public mover
• public nudity
• public nuisance
• public office
• public opinion
• public opinion poll