# Phobos

> English word · Proper noun · IPA /ˈfoʊbəs/ · frequency rank #71,005

## Definitions
1. A son of Ares (Mars). Also the Greek god of fear.
2. The innermost natural satellite of Mars.

## Etymology
From Ancient Greek Φόβος (Phóbos, “Fear”).

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