The rare daily word game sweeping the globe. Find what's hidden in plain sight.
REGOLITHS
Definition of REGOLITHS
noun
plural of regolith
noun
The layer of loose rock, dust, sand, and soil, resting on the bedrock, that constitutes the surface layer of most dry land on Earth, the Moon, and other large solid aggregated celestial objects. Submarine regolith also exists.
Wiktionary · CC BY-SA
Word DNA
REGOLITHS inherits its ancestry from its root, REGOLITH.
Line of descent
- Ancient Greek
- English
One recorded step before English.
Deepest traced root
2nd
of 58 source languages in OUTLIER
12.6%
of traced words share this origin (3,672)
branch · 12.6% of traced words
How it is built
Same root, REGOLITH · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
REGOLITHS in OUTLIER
Players have found it on 39 boards so far. 63 players have found it across Outlier's history.
It first turned up on Day 45, 4 July 2026. The most recent board was Day 145, 12 October 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 45, 4 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
REGOLITHS starts with R and ends with S. Sorted, its letters read EGHILORST - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Also seen on Day 45
Could you have found REGOLITHS?
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 45 - and most players walked straight past it.
Play today's OUTLIER