countable a question intended to get information about someone or somethingThere have already been over 300 inquiries from people interested.
inquiry about: Discreet inquiries about his business affairs revealed little.
make inquiries (=ask questions): Police are making inquiries in the neighbourhood.
be helping the police with their inquiries British (=be being questioned about a case, but not yet charged with a crime): A 27-year-old man is helping the police with their inquiries.