Be quiet vs Calm down vs Settle down please

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

Be quiet

Top 2,000 (common)

Calm down

Top 1,000 (very common)

Settle down please

Top 2,000 (common)
Most common: Calm down
 Be quietCalm downSettle down please
Pronunciation🇬🇧 //biː ˈkwaɪət//🇺🇸 //bi ˈkwaɪət//🇬🇧 //kɑːm daʊn//🇺🇸 //kɑm daʊn//🇬🇧 //ˈsɛt.əl daʊn pliːz//🇺🇸 //ˈsɛt.əl daʊn pliz//
MeaningStop making noise.To relax or stop being upset.Calm down and be quiet or serious.
ExampleThe teacher told the students to **be quiet** during the test.You need to calm down before we continue this discussion.The teacher asked the students to settle down please before starting the lesson.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 2,000 (common)
Collocationsbe quiet in class, ask someone to be quiet, tell someone to be quietcalm down the situation, calm down emotions, calm down quicklysettle down together, settle down with a book, settle down for the night
Antonymsmake noise, speak loudlyagitate, excite, disturb-
Common mistakesUsing 'be quiet' in a friendly context without softening the request., Incorrectly saying 'be quieted'., Confusing with 'be silent', which feels more formal.'Calm down' can be used for things instead of people, which is incorrect., Confusing 'calm down' with 'cool off', which has a slightly different meaning., Using 'calm down' too aggressively can make someone feel worse.Using it in formal situations where silence is expected., Confusing it with 'settle' when referring to arrangements.
Usage notesUse 'be quiet' when asking someone to lower their voice. It's appropriate in both formal and informal contexts but can sound rude if used abruptly.Use in situations where someone is anxious or angry. It’s neutral in tone, appropriate for friends, family, or colleagues, but can seem dismissive if not delivered carefully.Used in informal settings, often when there's noise. Not appropriate for formal events.

See it in real clips

Be quiet
Calm down
Settle down please

Frequently asked questions: Be quiet vs Calm down vs Settle down please

What's the difference between Be quiet, Calm down, and Settle down please?

Be quiet: Stop making noise. Calm down: To relax or stop being upset. Settle down please: Calm down and be quiet or serious.

Which is more common: Be quiet, Calm down, and Settle down please?

Calm down is the most common in everyday English.

Can you show an example of each?

Be quiet: The teacher told the students to **be quiet** during the test. Calm down: You need to calm down before we continue this discussion. Settle down please: The teacher asked the students to settle down please before starting the lesson.

Can I use Be quiet, Calm down, and Settle down please interchangeably?

Not always. Be quiet, Calm down, and Settle down please 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.

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