# one-dimensional

> English word · Adjective

## Definitions
1. Having length, but no width, height or depth.
2. Lacking depth or believability; flat.
3. Lacking personal depth and substance; conceited, vain, shallow, superficial.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/one-dimensional