The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HEMIACETAL
Definition of HEMIACETAL
noun
Any of a class of compounds of general formula R1R2C(OH)OR' (where R' is not H and R1 or R2 is often hydrogen).
Wiktionary · CC BY-SA
Where it comes from
From hemi- + acetal.
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.
HEMIACETAL in OUTLIER
Players have found it on 5 boards so far.
It first turned up on Day 48, 7 July 2026. The most recent board was Day 108, 5 September 2026. Nobody has seen it on a board for 12 days.
First ever to find it
on Day 48, 7 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HEMIACETAL starts with H and ends with L. Sorted, its letters read AACEEHILMT - the shape to hunt for when the grid is scrambled. E and A appear more than once.
Also seen on Day 48
Could you have found HEMIACETAL?
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 48 - and most players walked straight past it.
Play today's OUTLIER