The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SIDEREAL
Definition of SIDEREAL
adjective
Of or relating to the stars.
Wiktionary · CC BY-SA
Where it comes from
From Latin sīdereus + -al (cf. Latin sīderālis), from sīdus (“star, constellation”), of unknown ultimate origin, likely a substrate language such as Pre-Greek.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Latin
- English
One recorded step before English.
Deepest traced root
1st
of 58 source languages in OUTLIER
33%
of traced words share this origin (9,444)
branch · 33% of traced words
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
SIDEREAL in OUTLIER
Players have found it on 64 boards so far. 240 players have found it across Outlier's history.
It first turned up on Day 26, 15 June 2026. The most recent board was Day 141, 8 October 2026. It was on the latest finished board.
First found by a player on Day 26, 15 June 2026.
Built from these letters
SIDEREAL starts with S and ends with L. Sorted, its letters read ADEEILRS - the shape to hunt for when the grid is scrambled. E appears more than once.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Could you have found SIDEREAL?
OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 26 - and most players walked straight past it.
Play today's OUTLIER