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

OPTIONAL

/ˈɒp.ʃə.nəl/8 letters

Definition of OPTIONAL

adjective

Not compulsory; left to personal choice; elective.

Wiktionary · CC BY-SA

Where it comes from

From option + -al.

Etymology via Wiktionary (CC BY-SA).

Word DNA

How it is built

adjective3 syllablescompound-al

Same root, OPTION · 8 relatives in the game

The Word DNA of OUTLIER →

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.

OPTIONAL in OUTLIER

Players have found it on 20 boards so far. 26 players have found it across Outlier's history.

Day 1Day 159
Its 20 boards, across 159 finished boards · taller bars are busier boards
20
Boards found on
26
First board
149
Latest board
19
Longest gap, days

It first turned up on Day 26, 15 June 2026. The most recent board was Day 149, 16 October 2026. Nobody has seen it on a board for 10 days.

First found by a player on Day 26, 15 June 2026.

Built from these letters

OPTIONAL
8
Letters
4
Vowels
4
Consonants
7
Different letters
2
Longest consonant run
2
Longest vowel run

OPTIONAL starts with O and ends with L. Sorted, its letters read AILNOOPT - the shape to hunt for when the grid is scrambled. O appears 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 OPTION

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found OPTIONAL?

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 26 - and most players walked straight past it.

Play today's OUTLIER