# working hypothesis

> English word · Noun

## Definitions
1. A hypothesis that is weakly held, tentatively, as a best guess; such a hypothesis among several plausible ones that is driving or underpinning a scientific team's work at a given time.

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