enquiry
Word family
- enquireverbB1
- inquirynounB1
- inquirernounC1
- inquiringadjectiveB2
- inquisitiveadjectiveB2
Synonym discussion
Sense: noun/1
All four words involve asking for something, but they differ in formality, scope, and typical context. 'Enquiry' is the most formal of the group and is preferred in written, professional, and customer-service settings ('We received your enquiry about our services'). 'Question' is the most general and everyday term — it works in casual conversation, classrooms, and interviews alike ('She asked a question about the deadline'). 'Query' is narrower: it often implies a technical or data-related doubt, especially in computing and databases ('The system returned zero results for that query'), though it can also be a polite synonym for 'question' in business emails. 'Request' is broader — it can ask for information, an action, a document, or a favour, not just an answer ('He sent a request for a copy of the report'). To choose between them: use 'question' in speech and informal writing, 'enquiry' for formal written information requests, 'query' for technical or database searches, and 'request' when you want an item or action rather than just an answer.
Common collocations
Etymology
The noun 'enquiry' comes from the verb 'enquire', which entered English through Old French 'enquerre', from Latin 'inquirere' — formed from 'in-' ('into') + 'quaerere' ('to seek, ask'). The spelling with 'e-' (enquiry) became the standard British form from the 18th century onward, while 'inquiry' (with 'i-') remained more common in American English. Although traditional style guides recommended using 'enquiry' for everyday questions and 'inquiry' for official investigations, many modern British writers use the two spellings interchangeably.