Number three vs Third

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

Number three

Beyond 10,000 (less common)

Third

Top 1,000 (very common)A1
Most common: Third
 Number threeThird
Pronunciation🇬🇧 //ˈnʌmbər θriː//🇺🇸 //ˈnʌmbər θri//🇬🇧 /["/θɜːd/"]/🇺🇸 /["/θɜːrd/"]/
MeaningThe third in a sequence.The number three in order or position.
ExampleCan you give me the number three pencil?Today is the third (of May).
RegisterNeutralNeutral
How commonBeyond 10,000 (less common)Top 1,000 (very common)
CEFR level-A1
Collocationsnumber three choice, number three position, number three in linefirst, middle, final, divide something into, third of, about a third, almost a third, at least a third
Antonymsnumber one, number twofirst, second
Common mistakesConfused with the phrase 'the third number'., Used in places where numerical symbols are expected, like in mathematics., Omitting 'number' and just saying 'three' in contexts where clarity is needed.Confused with 'three' when indicating position., Misused in plural forms, like 'thirds' when referring to fractions.
Usage notesUse 'number three' when referring to a specific position or order. Appropriate in both spoken and written contexts, but avoid in very formal writing.Used to describe the position in a sequence. Formal contexts might require more clarity (like 'the third option'), while informal contexts can be more casual.

See it in real clips

Number three
Third

Frequently asked questions: Number three vs Third

What's the difference between Number three and Third?

Number three: The third in a sequence. Third: The number three in order or position.

Which is more common: Number three and Third?

Third is the most common in everyday English.

Can you show an example of each?

Number three: Can you give me the number three pencil? Third: Today is the third (of May).

Can I use Number three and Third interchangeably?

Not always. Number three and Third 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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