# SSO

> English word · Noun · frequency rank #57,094

## Definitions
1. Initialism of single sign-on.
2. Initialism of shared services organization.
3. Initialism of sub-stellar object.
4. Initialism of sun-synchronous orbit.
5. Initialism of systematic social observation.

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