The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OSTIAL
Definition of OSTIAL
adjective
Relating to any orifice, or ostium.
Wiktionary · CC BY-SA
Where it comes from
From ostium + -al.
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.
OSTIAL in OUTLIER
Players have found it on 4 boards so far.
It first turned up on Day 44, 3 July 2026. The most recent board was Day 87, 15 August 2026. Nobody has seen it on a board for 15 days.
First ever to find it
on Day 44, 3 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OSTIAL starts with O and ends with L. Sorted, its letters read AILOST - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Also seen on Day 44
Could you have found OSTIAL?
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 44 - and most players walked straight past it.
Play today's OUTLIER