ENGLISH
REFERENCE

seventeen

n.
A1 Beginner Oxford US //ˈsɛvənˈtin// UK //sˌɛvəntˈiːn// sev·en·teen General-service

n. the number that comes after sixteen and before eighteen. It is written as the number 17.

n. the cardinal number equivalent to the sum of ten and seven.


SIMPLE

She is seventeen years old today.

CONTEXTUAL

The bus route has seventeen stops before it reaches the final station downtown.

COMPLEX

The manuscript consists of seventeen distinct chapters, each exploring a different aspect of the historical period in chronological order.

Synonyms
Origin

Inherited from Middle English seventene, from Old English seofontīene, from Proto-Germanic *sebuntehun. Cognate with Dutch zeventien, West Frisian santjin, German siebzehn, Danish sytten. Equivalent to seven + -teen

Usage

Functions as a determiner when preceding a noun or as a noun when referring to the number itself.

© 2026 English Reference