Unofficial: meaning, definitions and examples

Use 'unofficial' when referring to something not formally acknowledged or authorized by a recognized authority. It can be used in various contexts like work, events, or announcements.

• He attended the meeting in an unofficial capacity.
• We had an unofficial gathering after the conference.

Use 'unauthorized' to describe actions or access that occur without official permission. It often carries a negative connotation, implying potential legal or disciplinary consequences.

• Unauthorized personnel are not allowed beyond this point.
• There was an unauthorized attempt to access the system.

Use 'unapproved' when something has not been officially approved or sanctioned by an authoritative body or individual. It is often used in contexts like projects, actions, or documents and can imply potential problems or risks.

• The proposal was unapproved by the committee.
• They went ahead with the unapproved construction plans.

Use 'informal' when describing something casual, relaxed, or not following formal procedures or protocols. This word is often used to describe meetings, language, or dress codes.

• The company has an informal dress code on Fridays.
• We had an informal discussion over lunch.