The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HYDRACID
Definition of HYDRACID
noun
An acid that does not contain any oxygen; they are all binary compounds of hydrogen plus either a halogen (for example, hydrochloric acid, hydrofluoric acid, hydroiodic acid, hydrobromic acid) or a pseudohalogen.
Wiktionary · CC BY-SA
Where it comes from
From hydro- + acid.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
HYDRACID in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 131, 28 September 2026. Nobody has seen it on a board for 3 days.
First ever to find it
on Day 131, 28 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HYDRACID starts with H and ends with D. Sorted, its letters read ACDDHIRY - the shape to hunt for when the grid is scrambled. D appears more than once.
Words that start HYDRAC
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found HYDRACID?
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