# iii

CEFR B1 · Noun

Source: https://englishreference.com/word/iii
Updated: 2026-05-02

## Definition

the number three written in Roman numerals. You often see this in lists, on old clocks, or at the end of book chapters.

For teachers: the Roman numeral representation of the cardinal number three. Frequently used in outlining, formal sequencing, or to denote the third in a series of monarchs or popes.

## Examples

- The answer is found in section iii of the report.
- The clock face features traditional Roman numerals, with iii clearly marked on the right side.
- In the formal outline of the dissertation, subsection iii addresses the specific methodology used to collect data during the second phase of the clinical trial.

## Usage notes

- Typically used in lower-case for page numbering in a book's preface or for sub-points in a list; upper-case (III) is used for titles and names.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.
