Customary vs Usual

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

Customary

Top 3,000 (common) B1 adjective

Usual

Top 2,000 (common) A2

Most common: Usual

	Customary	Usual
Pronunciation	🇬🇧 //ˈkʌstəməri// 🇺🇸 //ˈkʌstəmˌɛri//	🇬🇧 /["/ˈjuːʒuəl//ˈjuːʒəl/"]/ 🇺🇸 /["/ˈjuːʒuəl//ˈjuːʒəl/"]/
Meaning	Something that is usual or expected.	something that happens often or is normal
Example	It is customary to shake hands when meeting someone.	It's usual for her to arrive early in the morning.
Register	Neutral	Neutral
How common	Top 3,000 (common)	Top 2,000 (common)
CEFR level	B1	A2
Part of speech	adjective
Collocations	customary practice, customary law, customary behavior	be, become, quite, very, far from, for, as per usual, as usual, like usual
Antonyms	unusual, unexpected	unusual, rare, extraordinary
Common mistakes	Confusing with 'customize', which means to modify., Using 'customary' inappropriately for uncommon practices., Mixing up with 'habitual', which implies personal habits rather than societal norms.	Confused with 'unusual', thinking they mean the same thing., Using 'usual' as a noun incorrectly., Mixing up 'usual' with 'common'.
Usage notes	Use 'customary' when describing behavior or practices that are widely accepted; it’s neutral but may sound slightly formal in casual contexts.	Use 'usual' in everyday conversation to describe normal conditions. Avoid in formal writing or speeches.

See it in real clips

And one night, he goes off crazier than usual.

Agatha Christies Poirot › S1 E1

Oh, the usual things, you know.

And one night, he goes off crazier than usual.

Agatha Christies Poirot › S1 E1

Oh, the usual things, you know.

Usual

Frequently asked questions: Customary vs Usual

What's the difference between Customary and Usual?

Customary: Something that is usual or expected. Usual: something that happens often or is normal

Which is more common: Customary and Usual?

Usual is the most common in everyday English.

Which is more advanced: Customary and Usual?

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

Are Customary and Usual the same CEFR level?

Customary: B1, Usual: A2 on the CEFR scale.

Can you show an example of each?

Customary: It is customary to shake hands when meeting someone. Usual: It's usual for her to arrive early in the morning.

Can I use Customary and Usual interchangeably?

Not always. Customary and Usual 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.