The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HORNFELS
Definition of HORNFELS
noun
Any of a series of contact metamorphic rocks that have been baked and indurated by the heat of intrusive igneous masses and rendered massive, hard, splintery, and in some cases exceedingly tough and durable.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from German Hornfels, literally "horn stone", after its frequent association with glacial "horn peaks" in the Alps.
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.
HORNFELS in OUTLIER
Players have found it on 5 boards so far.
It first turned up on Day 11, 31 May 2026. The most recent board was Day 116, 13 September 2026. Nobody has seen it on a board for 4 days.
First found by a player on Day 11, 31 May 2026.
Built from these letters
HORNFELS starts with H and ends with S. Sorted, its letters read EFHLNORS - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Also seen on Day 11
Could you have found HORNFELS?
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 11 - and most players walked straight past it.
Play today's OUTLIER