# upthrust

> English word · Noun

## Definitions
1. An upward thrust.
2. Buoyancy.
3. An upward movement of part of the Earth's crust.

## Etymology
From up- + thrust.

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