They are one vs United

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

They are one

Beyond 10,000 (less common)

United

Top 1,000 (very common)A2adjective
Most common: United
 They are oneUnited
Pronunciation🇬🇧 //ðeɪ ɑː wʌn//🇺🇸 //ðeɪ ɑr wʌn//🇬🇧 /["/juˈnaɪtɪd/"]/🇺🇸 /["/juˈnaɪtɪd/"]/
MeaningThey belong together or are united.Joined together as one.
ExampleAfter the long discussion, it was clear that they are one.The countries formed a united front against the problem of climate change.
RegisterNeutralNeutral
How commonBeyond 10,000 (less common)Top 1,000 (very common)
CEFR level-A2
Part of speechadjective
Collocationsthey are one in spirit, they are one team, they are one familybe, seem, stand, closely, firmly, absolutely, against, in, with, be, seem, stand, closely, firmly, absolutely, against, in, with
Antonyms-divided, separated
Common mistakesMisused for 'they're one' (contraction error), Confused with 'they are won' (incorrect meaning), Incorrect subject-verb agreement in plural contextsConfused with 'untied' (not connected)., Using 'united' for unrelated groups., Misplacing it in a sentence, like 'We are uniting teams.' Instead, say 'We are united.'
Usage notesUsed to express unity or agreement among a group. More common in conversational contexts than formal writing.Use 'united' to describe a group that works or acts together. Appropriate in formal and informal contexts, but avoid when discussing unrelated individuals or items.

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They are one
United

Frequently asked questions: They are one vs United

What's the difference between They are one and United?

They are one: They belong together or are united. United: Joined together as one.

Which is more common: They are one and United?

United is the most common in everyday English.

Can you show an example of each?

They are one: After the long discussion, it was clear that they are one. United: The countries formed a united front against the problem of climate change.

Can I use They are one and United interchangeably?

Not always. They are one and United 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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