The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CARDINALITY
Definition of CARDINALITY
noun
The number of elements a given set contains.
Wiktionary · CC BY-SA
Where it comes from
From cardinal + -ity.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, CARDINAL · 5 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.
CARDINALITY in OUTLIER
Players have found it on 19 boards so far. 29 players have found it across Outlier's history.
It first turned up on Day 38, 27 June 2026. The most recent board was Day 160, 27 October 2026. It was on the latest finished board.
First found by a player on Day 38, 27 June 2026.
Built from these letters
CARDINALITY starts with C and ends with Y. Sorted, its letters read AACDIILNRTY - the shape to hunt for when the grid is scrambled. A and I appear more than once.
Words that start CARDINA
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 38
Could you have found CARDINALITY?
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 38 - and most players walked straight past it.
Play today's OUTLIER