The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SUNPROOF
Definition of SUNPROOF
adjective
impervious to the rays of the sun
Wiktionary · CC BY-SA
Where it comes from
From sun + -proof.
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.
SUNPROOF in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 103, 31 August 2026. The most recent board was Day 118, 15 September 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 103, 31 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SUNPROOF starts with S and ends with F. Sorted, its letters read FNOOPRSU - the shape to hunt for when the grid is scrambled. O appears more than once, including a double letter.
Could you have found SUNPROOF?
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 103 - and most players walked straight past it.
Play today's OUTLIER