The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OPISOMETER
Definition of OPISOMETER
noun
A device for measuring the length of curved lines, such as on a map.
Wiktionary · CC BY-SA
Where it comes from
From Ancient Greek ὀπίσω (opísō, “backward”) + -meter.
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.
OPISOMETER in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 80, 8 August 2026. The most recent board was Day 121, 18 September 2026. It was on the latest finished board.
First ever to find it
on Day 80, 8 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OPISOMETER starts with O and ends with R. Sorted, its letters read EEIMOOPRST - the shape to hunt for when the grid is scrambled. O and E appear more than once.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start OPISOM
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found OPISOMETER?
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 80 - and most players walked straight past it.
Play today's OUTLIER