The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CALIPER
Definition of CALIPER
noun
Alternative form of calipers, a device used to measure dimensions.
Wiktionary · CC BY-SA
Where it comes from
Variant of caliber.
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.
CALIPER in OUTLIER
Players have found it on 17 boards so far. 42 players have found it across Outlier's history.
It first turned up on Day 19, 8 June 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First ever to find it
on Day 39, 28 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
CALIPER starts with C and ends with R. Sorted, its letters read ACEILPR - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
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 CALIPE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 19
Could you have found CALIPER?
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 19 - and most players walked straight past it.
Play today's OUTLIER