To ask for information about something.
“I am writing to inquire about the refund policy for cancelled bookings.”
“I would like to inquire whether the position is still available.”
'Inquire' is a strong, formal verb for CELPIP Writing Task 1 emails where you need to ask a company or institution for details, such as prices, policies, or availability. Using it instead of the plainer 'ask' instantly raises the formality level of your email, which examiners reward in professional contexts.
Synonyms: ask about, request information about, seek details about