The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ISOCHRONE
Definition of ISOCHRONE
noun
An isoline on a map or chart connecting points that have the same value for some time-related variable.
Wiktionary · CC BY-SA
Where it comes from
See iso- and chrono-.
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.
ISOCHRONE in OUTLIER
Players have found it on 4 boards so far.
It first turned up on Day 72, 31 July 2026. The most recent board was Day 96, 24 August 2026. Nobody has seen it on a board for 6 days.
First ever to find it
on Day 84, 12 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ISOCHRONE starts with I and ends with E. Sorted, its letters read CEHINOORS - the shape to hunt for when the grid is scrambled. O appears more than once.
Words that start ISOCHR
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ISOCHRONE?
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 72 - and most players walked straight past it.
Play today's OUTLIER