The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HYDRAULIC
Definition of HYDRAULIC
adjective
Pertaining to water.
Wiktionary · CC BY-SA
Where it comes from
From French hydraulique, from Latin hydraulicus, from Ancient Greek ὑδραυλικός (hudraulikós, “of a water organ”), from ὕδραυλις (húdraulis, “water organ”), from ὕδωρ (húdōr, “water”) + αὐλός (aulós, “pipe”).
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.
HYDRAULIC in OUTLIER
Players have found it on 24 boards so far. 29 players have found it across Outlier's history.
It first turned up on Day 27, 16 June 2026. The most recent board was Day 101, 29 August 2026. It was on the latest finished board.
First found by a player on Day 27, 16 June 2026.
Built from these letters
HYDRAULIC starts with H and ends with C. Sorted, its letters read ACDHILRUY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start HYDRAU
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 27
Could you have found HYDRAULIC?
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 27 - and most players walked straight past it.
Play today's OUTLIER