# bottom-up

> English word · Adjective

## Definitions
1. Of or relating to a hierarchical system that progresses from multiple small subunits to a single, large basic unit.
2. Of or relating to a hierarchical system in which lower levels influence higher levels.

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