Inquire vs Question

When to use each in English, with meaning, register, and examples.

Inquire

Formal Beyond 10,000 (less common) B1 verb

Question

Top 1,000 (very common) A1 noun

Most formal: Inquire Most common: Question

	Inquire	Question
Pronunciation	🇬🇧 /["/ɪnˈkwaɪə(r)/"]/ 🇺🇸 /["/ɪnˈkwaɪər/"]/	🇬🇧 /["/ˈkwestʃən/"]/ 🇺🇸 /["/ˈkwestʃən/"]/
Meaning	to ask about something	A sentence or phrase that asks for information.
Example	I called the school to inquire about the application process.	The teacher asked a difficult question during the exam.
Register	Formal	Neutral
How common	Beyond 10,000 (less common)	Top 1,000 (very common)
CEFR level	B1	A1
Part of speech	verb	noun
Collocations	inquire about, inquire into, inquire if, inquire regarding, inquire as to	awkward, difficult, embarrassing, ask (somebody), have, address, question about, question as to, question concerning to, awkward, difficult, embarrassing, ask (somebody), have, address, question about, question as to, question concerning to, burning, challenging, controversial, bring up, pose, raise, arise, go unanswered, remain unanswered, question about, question for, question of, come into, call into, be open to, beyond question, in question, without question
Antonyms	ignore, disregard, ignore	answer, solution
Common mistakes	Using 'inquire' instead of 'require'., Confusing 'inquire' with 'enquire' (especially in British English)., Using 'inquire' without a specific subject (e.g., 'I want to inquire the details' instead of 'I want to inquire about the details').	Confusing 'question' with 'query' in formal contexts., Using 'questions' as a singular noun, e.g., 'I have a question' instead of 'I have questions.'
Usage notes	Use 'inquire' in formal contexts, such as business or official situations. It's less common in everyday conversation, where 'ask' is preferred. Avoid using it in informal settings.	Use 'question' in both formal and informal settings. It's appropriate in classrooms, interviews, and casual conversations. Avoid using in situations where a statement is expected.

See it in real clips

Agatha Christies Poirot › S1 E1

Ah. That is a very good question, Hastings.

There is a question I would like to ask.

Agent Carter › S1 E1

Which begs the question, why invent them at all?

Agatha Christies Poirot › S1 E1

Ah. That is a very good question, Hastings.

There is a question I would like to ask.

Question

Frequently asked questions: Inquire vs Question

What's the difference between Inquire and Question?

Inquire: to ask about something Question: A sentence or phrase that asks for information.

Which is more formal: Inquire and Question?

Inquire is the most formal of these.

Which is more common: Inquire and Question?

Question is the most common in everyday English.

Which is more advanced: Inquire and Question?

Inquire is the highest level, at B1, on the CEFR scale.

Are Inquire and Question the same CEFR level?

Inquire: B1, Question: A1 on the CEFR scale.

What part of speech are Inquire and Question?

Inquire: verb, Question: noun.

Can you show an example of each?

Inquire: I called the school to inquire about the application process. Question: The teacher asked a difficult question during the exam.

Can I use Inquire and Question interchangeably?

Not always. Inquire and Question are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.