The rare daily word game sweeping the globe. Find what's hidden in plain sight.
AQUARIUM
Definition of AQUARIUM
noun
A tank, often made of glass, for keeping live fish or other aquatic animals.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Latin aquārium, neuter of aquārius (“of or pertaining to water”), from aqua + -arium. Doublet of ewer; see also Aquarius. Also claimed to be coined by English naturalist Philip Henry Gosse, as a blend of aquatic + vivarium.
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.
AQUARIUM in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 38, 27 June 2026. The most recent board was Day 101, 29 August 2026. Nobody has seen it on a board for 11 days.
First found by a player on Day 38, 27 June 2026.
Built from these letters
AQUARIUM starts with A and ends with M. Sorted, its letters read AAIMQRUU - the shape to hunt for when the grid is scrambled. A and U appear more than once. It uses Q - among the least common letters in written English.
Words that start AQUARI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 38
Could you have found AQUARIUM?
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