The rare daily word game sweeping the globe. Find what's hidden in plain sight.

BRAIN

/ˈbɹeɪ̯n/5 letters

Definition of BRAIN

noun

The control center of the central nervous system of an animal located in the skull, consisting of the cerebrum, cerebellum, and brainstem, which is responsible for perception, cognition, attention, memory, emotion, and action.

Wiktionary · CC BY-SA

Where it comes from

Inherited from Middle English brayn, from Old English bræġn, from Proto-West Germanic *bragn, from Proto-Germanic *bragną, from Proto-Indo-European *mrógʰ-n̥ ~ *mrégʰ-n̥-s, from *mregʰ- + *-n̥. Cognate with Scots braine, brane (“brain”), North Frisian brayen, brein, Brain (“brain”), Saterland Frisian Brainge, Bräienge (“brain”), West Frisian brein (“brain”), Dutch brein (“brain”), Low German Brägen, Bregen (“brain”) (whence German Bregen (“animal brain”)), Ancient Greek βρεχμός (brekhmós, “front part of the skull, top of the head”).

Etymology via Wiktionary (CC BY-SA).

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

BRAIN in OUTLIER

Players have found it on 18 boards so far. 47 players have found it across Outlier's history.

Day 1Day 102
Its 18 boards, across 102 finished boards · taller bars are busier boards
18
Boards found on
9
First board
99
Latest board
17
Longest gap, days

It first turned up on Day 9, 29 May 2026. The most recent board was Day 99, 27 August 2026. Nobody has seen it on a board for 3 days.

First found by a player on Day 9, 29 May 2026.

Built from these letters

BRAIN
5
Letters
2
Vowels
3
Consonants
5
Different letters
2
Longest consonant run
2
Longest vowel run

BRAIN starts with B and ends with N. Sorted, its letters read ABINR - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

Same letters, different word

2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.

Words that start BRAIN

Its neighbours in the OUTLIER dictionary - shortest first.

BRAINSBRAINYBRAINEDBRAINBOXBRAINIACBRAINIERBRAINILYBRAININGBRAINISHBRAINPANBRAINCASEBRAINDEAD

Could you have found BRAIN?

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 9 - and most players walked straight past it.

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