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

BACK

/bæk/4 letters

Definition of BACK

adjective

At or near the rear.

Wiktionary · CC BY-SA

Where it comes from

From Middle English bak, from Old English bæc, from Proto-West Germanic *bak, from Proto-Germanic *baką, possibly from Proto-Indo-European *bʰeg- (“to bend”). The adverb represents an aphetic form of aback. Compare Middle Low German bak (“back”), from Old Saxon bak, and West Frisian bekling (“chair back”), Old High German bah, Swedish and Norwegian bak. Cognate with German Bache (“sow [adult female hog]”).

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Proto-Indo-European
  2. Proto-Germanic
  3. Old English
  4. Middle English
  5. English

4 recorded generations before English.

Proto-Indo-European

Deepest traced root

3rd

of 59 source languages in OUTLIER

8.8%

of traced words share this origin (2,661)

How it is built

adjective1 syllable

Same root, BACK · 4 relatives in the game

Its etymology also names Middle Low German, Norwegian, Swedish.

Every Proto-Indo-European word → · 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.

BACK in OUTLIER

It has fitted 55 boards so far.

Day 1Day 153
Its 55 boards, across 153 finished boards · taller bars are busier boards
55
Boards it fitted
3
First board
148
Latest board
8
Longest gap, days

It first turned up on Day 3, 24 May 2026. The most recent board was Day 148, 15 October 2026. Nobody has seen it on a board for 5 days.

First found by a player on Day 54, 13 July 2026.

Built from these letters

BACK
4
Letters
1
Vowels
3
Consonants
4
Different letters
2
Longest consonant run
1
Longest vowel run

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

Words that start BACK

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found BACK?

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 3 - and most players walked straight past it.

Play today's OUTLIER