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

BACTERIA

/bakˈtɪə̯.ri.ə/8 letters

Definition of BACTERIA

noun

plural of bacterium

BACTERIUM

noun

A single-celled organism with cell walls but no nucleus or organelles.

Wiktionary · CC BY-SA

Where it comes from

Borrowed from New Latin bacteria, plural of bactērium, from Ancient Greek βακτήριον (baktḗrion, “little rod”); by surface analysis, bacteri(um) + -a.

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Ancient Greek
  2. Latin
  3. English

2 recorded generations before English.

Ancient Greek

Deepest traced root

3rd

of 59 source languages in OUTLIER

12.4%

of traced words share this origin (10,280)

Hellenic

branch · 12.4% of traced words

How it is built

noun4 syllablescompound

Same root, BACTERIA · 12 relatives in the game

Every Ancient Greek 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.

BACTERIA in OUTLIER

Players have found it on 24 boards so far. 35 players have found it across Outlier's history.

Day 1Day 166
Its 24 boards, across 166 finished boards · taller bars are busier boards
24
Boards found on
8
First board
162
Latest board
29
Longest gap, days

It first turned up on Day 8, 29 May 2026. The most recent board was Day 162, 29 October 2026. Nobody has seen it on a board for 4 days.

First found by a player on Day 8, 29 May 2026.

Built from these letters

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

BACTERIA starts with B and ends with A. Sorted, its letters read AABCEIRT - the shape to hunt for when the grid is scrambled. A appears more than once.

Words that start BACTER

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found BACTERIA?

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 8 - and most players walked straight past it.

Play today's OUTLIER