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

ONCE

/wʌn(t)s/4 letters

Definition of ONCE

adverb

One and only one time.

Wiktionary · CC BY-SA

Where it comes from

From Middle English ones, from Old English ānes, a remodelling (after ān (“one”)) of ǣnes, itself an extension of ǣne (“once”) with the genitive suffix -es. Equivalent to one + -s. Cognate with Saterland Frisian enst, insen (“once”), West Frisian iens (“once”), Dutch eens (“once”), German Low German eens, ins (“once”), German einst (“once”). More at one (including regarding the development of the pronunciation) and -s.

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.

ONCE in OUTLIER

It has fitted 58 boards so far. 13 players have found it across Outlier's history.

Day 1Day 107
Its 58 boards, across 107 finished boards · taller bars are busier boards
58
Boards it fitted
1
First board
106
Latest board
10
Longest gap, days

It first turned up on Day 1, 22 May 2026. The most recent board was Day 106, 3 September 2026. Nobody has seen it on a board for 1 day.

First found by a player on Day 34, 23 June 2026.

Built from these letters

ONCE
4
Letters
2
Vowels
2
Consonants
4
Different letters
2
Longest consonant run
1
Longest vowel run

ONCE starts with O and ends with E. Sorted, its letters read CENO - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

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 ONCE

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found ONCE?

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 1 - and most players walked straight past it.

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The OUTLIER card for ONCEDownload image