The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FARTLEK
Definition of FARTLEK
noun
An athletic training technique, used especially in running, in which periods of intense effort alternate with periods of less strenuous effort in a continuous workout.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Swedish fartlek, from fart (“speed”) + lek (“child’s play”).
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.
FARTLEK in OUTLIER
Players have found it on 7 boards so far.
It first turned up on Day 54, 13 July 2026. The most recent board was Day 108, 5 September 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 54, 13 July 2026 - before anyone else in Outlier's history. See the Pioneers
Also on
Built from these letters
FARTLEK starts with F and ends with K. Sorted, its letters read AEFKLRT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Also seen on Day 54
Could you have found FARTLEK?
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 54 - and most players walked straight past it.
Play today's OUTLIER