English Reference

Word

thirteen

Phoneticsthir·teen, stress on the first syllable

US/ˈθɝˈtin/

UK/θɜːtˈiːn/

Definition

n. the number that comes after twelve and before fourteen.

n. the cardinal number equivalent to the sum of twelve and one.

Examples

“There are thirteen players on the team today.”

“The baker added an extra roll to the bag, giving the customer thirteen instead of twelve.”

“Superstitious beliefs regarding the number thirteen often lead to the omission of a thirteenth floor in high-rise buildings, skipping directly from twelve to fourteen.”

Examples

simple

“There are thirteen players on the team today.”

contextual

“The baker added an extra roll to the bag, giving the customer thirteen instead of twelve.”

complex

“Superstitious beliefs regarding the number thirteen often lead to the omission of a thirteenth floor in high-rise buildings, skipping directly from twelve to fourteen.”

Usage

Functions as both a noun and a determiner depending on whether it stands alone or modifies a noun.

Etymology

From Middle English thirttene, variant (through metathesis) of thrittene, from Old English þrēotīene, from Proto-Germanic þritehun, compound of þrīz (“three”) + *tehun (“teen”). Cognate with West Frisian trettjin, Dutch dertien, German dreizehn, Danish tretten. Equivalent to three + -teen.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Frequent
Level
A1 · BeginnerOxford
Updated

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English Reference