The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RATIONALISE
Definition of RATIONALISE
verb
Non-Oxford British English standard spelling of rationalize.
Wiktionary · CC BY-SA
Where it comes from
From French rationaliser. By surface analysis, rational + -ise.
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.
RATIONALISE in OUTLIER
It has fitted 3 boards so far.
It first turned up on Day 16, 5 June 2026. The most recent board was Day 33, 22 June 2026. Nobody has seen it on a board for 73 days.
First ever to find it
on Day 33, 22 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
RATIONALISE starts with R and ends with E. Sorted, its letters read AAEIILNORST - the shape to hunt for when the grid is scrambled. A and I 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 RATIONA
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found RATIONALISE?
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 16 - and most players walked straight past it.
Play today's OUTLIER