The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RATIONALITY
Definition of RATIONALITY
noun
The quality or state of being rational; due exercise of reason; reasonableness.
Wiktionary · CC BY-SA
Where it comes from
From rational + -ity, from French rationalité, from Late Latin rationalitas (“rationality, reasonableness”), from Latin rationalis (“reasonable”).
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
2 recorded generations before English.
Deepest traced root
1st
of 59 source languages in OUTLIER
33.1%
of traced words share this origin (9,912)
branch · 33.1% of traced words
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
RATIONALITY in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 152, 19 October 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 152, 19 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
RATIONALITY starts with R and ends with Y. Sorted, its letters read AAIILNORTTY - the shape to hunt for when the grid is scrambled. A, T and I appear more than once.
Words that start RATIONA
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found RATIONALITY?
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 152 - and most players walked straight past it.
Play today's OUTLIER