The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ALDEHYDE
Definition of ALDEHYDE
noun
Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from German Aldehyd, a contraction of the Latin al(cohol) dehyd(rogenātum).
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
2 recorded generations before English.
Deepest traced root
1st
of 59 source languages in OUTLIER
32.5%
of traced words share this origin (8,497)
branch · 32.5% of traced words
How it is built
Same root, ALDEHYDE · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
ALDEHYDE in OUTLIER
Players have found it on 1 board so far. 12 players have found it across Outlier's history.
It first turned up on Day 131, 28 September 2026. It was on the latest finished board.
First found by a player on Day 131, 28 September 2026.
Built from these letters
ALDEHYDE starts with A and ends with E. Sorted, its letters read ADDEEHLY - the shape to hunt for when the grid is scrambled. D and E appear more than once.
Could you have found ALDEHYDE?
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 131 - and most players walked straight past it.
Play today's OUTLIER