Definitions

1. adjective

excessively or annoyingly concerned with minor rules or details, or with acting officially; officious in manner or action.

“The officious building inspector kept nitpicking over every minor infraction.”

2. noun

a person who acts officiously or interferes unnecessarily in other people’s affairs.

“The officious neighbor kept calling the police over every minor disturbance.”

3. verb

to act in an officious manner, or to interfere unnecessarily in other people’s affairs.

“She officiously meddled in her siblings’ personal lives.”