number

fifteen

fifteen

She is fifteen years old.

She is fifteen years old.

I have fifteen books on my shelf.

I have fifteen books on my shelf.

((number)) represents the number 15. She is fifteen years old.

Synonyms: -; Antonyms: -

From Old English 'fīftēne', a combination of 'fīf' (five) and 'tīene' (ten).

Think of it as 'five' plus 'teen', following the pattern for numbers from 13 to 19.

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