The rare daily word game sweeping the globe. Find what's hidden in plain sight.
REGOLITH
Definition 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
Where it comes from
Irregular formation from Ancient Greek ῥῆγος (rhêgos, “rug, blanket”) + -lith (from λίθος (líthos, “stone”)).
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
REGOLITH in OUTLIER
Players have found it on 29 boards so far. 70 players have found it across Outlier's history.
It first turned up on Day 30, 19 June 2026. The most recent board was Day 99, 27 August 2026. It was on the latest finished board.
First ever to find it
on Day 30, 19 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
REGOLITH starts with R and ends with H. Sorted, its letters read EGHILORT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Also seen on Day 30
Could you have found REGOLITH?
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 30 - and most players walked straight past it.
Play today's OUTLIER