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

FACTORIAL

/fækˈtɔːɹi.əl/9 letters

Definition of FACTORIAL

noun

The result of multiplying a given number of consecutive integers from 1 to the given number. In equations, it is symbolized by an exclamation mark (!). For example, 5! = 1 × 2 × 3 × 4 × 5 = 120.

Wiktionary · CC BY-SA

Where it comes from

From factor + -ial.

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.

FACTORIAL in OUTLIER

Players have found it on 23 boards so far. 40 players have found it across Outlier's history.

Day 1Day 96
Its 23 boards, across 96 finished boards · taller bars are busier boards
23
Boards found on
21
First board
95
Latest board
10
Longest gap, days

It first turned up on Day 21, 10 June 2026. The most recent board was Day 95, 23 August 2026. Nobody has seen it on a board for 1 day.

First found by a player on Day 21, 10 June 2026.

Built from these letters

FACTORIAL
9
Letters
4
Vowels
5
Consonants
8
Different letters
2
Longest consonant run
2
Longest vowel run

FACTORIAL starts with F and ends with L. Sorted, its letters read AACFILORT - the shape to hunt for when the grid is scrambled. A appears more than once.

Words that start FACTOR

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found FACTORIAL?

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 21 - and most players walked straight past it.

Play today's OUTLIER

Share FACTORIAL