The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HEPTYL
Definition of HEPTYL
noun
Any of many isomeric univalent hydrocarbon radicals, C7H15, formally derived from heptane by the loss of a hydrogen atom.
Wiktionary · CC BY-SA
Where it comes from
From heptane + -yl.
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.
HEPTYL in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 160, 27 October 2026. The most recent board was Day 165, 1 November 2026. Nobody has seen it on a board for 9 days.
First ever to find it
on Day 160, 27 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HEPTYL starts with H and ends with L. Sorted, its letters read EHLPTY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Could you have found HEPTYL?
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 160 - and most players walked straight past it.
Play today's OUTLIER