The rare daily word game sweeping the globe. Find what's hidden in plain sight.
NATATORIUM
Definition of NATATORIUM
noun
A swimming pool, especially an indoor one; a building housing one or more swimming pools.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Late Latin natatorium, noun use of the neuter singular of Latin natātōrius (“for swimming”). Equivalent to natatory + -ium.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Latin
- English
One recorded step before English.
Deepest traced root
1st
of 58 source languages in OUTLIER
33%
of traced words share this origin (9,478)
branch · 33% 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.
NATATORIUM in OUTLIER
Players have found it on 1 board so far. 17 players have found it across Outlier's history.
It first turned up on Day 137, 4 October 2026. Nobody has seen it on a board for 6 days.
First ever to find it
on Day 137, 4 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
NATATORIUM starts with N and ends with M. Sorted, its letters read AAIMNORTTU - the shape to hunt for when the grid is scrambled. A and T 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 NATATO
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found NATATORIUM?
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 137 - and most players walked straight past it.
Play today's OUTLIER