The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ISOTYPE
Definition of ISOTYPE
noun
A marker corresponding to an antigen found in all members of a subclass of a specific class of immunoglobulins
Wiktionary · CC BY-SA
Where it comes from
From iso- + type.
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.
ISOTYPE in OUTLIER
Players have found it on 6 boards so far.
It first turned up on Day 67, 26 July 2026. The most recent board was Day 115, 12 September 2026. Nobody has seen it on a board for 4 days.
First ever to find it
on Day 67, 26 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ISOTYPE starts with I and ends with E. Sorted, its letters read EIOPSTY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Could you have found ISOTYPE?
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 67 - and most players walked straight past it.
Play today's OUTLIER