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).
Word DNA
Line of descent
- French
- English
One recorded step before English.
Deepest traced root
5th
of 59 source languages in OUTLIER
5.3%
of traced words share this origin (4,346)
branch · 12.8% of traced words
How it is built
Same root, RATIONALISE · 2 relatives in the game
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 132 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