# fifteenthly

> English word · Adverb

## Definitions
1. In the fifteenth place; fifteenth in a row.

## Etymology
From fifteenth + -ly.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fifteenthly