The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ACETYL
Definition of ACETYL
noun
The univalent radical CH3CO- derived from acetic acid.
Wiktionary · CC BY-SA
Where it comes from
aceto- + -yl. From Latin acētum (“vinegar”) + Ancient Greek ὕλη (húlē, “substance”).
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.
ACETYL in OUTLIER
Players have found it on 12 boards so far. 16 players have found it across Outlier's history.
It first turned up on Day 10, 30 May 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First found by a player on Day 10, 30 May 2026.
Built from these letters
ACETYL starts with A and ends with L. Sorted, its letters read ACELTY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start ACETYL
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 10
Could you have found ACETYL?
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 10 - and most players walked straight past it.
Play today's OUTLIER