1. an instance of questioning

Similar word(s): inquiry, interrogation, query, question

Definition categories: communication, inquiring, questioning

2. a search for knowledge

Similar word(s): inquiry, research

Definition categories: thought

3. a systematic investigation of a matter of public interest

Similar word(s): inquiry

Definition categories: act, investigating, investigation

Sentences with enquiry as a noun:

- Scientific enquiry

- An Enquiry Concerning Human Understanding (title of book by David Hume)An Enquiry Concerning The Principles of Morals (title of book by David Hume)