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

ACIDOPHILUS

/ˌæsɪˈdɑfɪləs/11 letters

Definition of ACIDOPHILUS

noun

Lactobacillus acidophilus, one of the bacteria commonly used in fermenting yogurt

Wiktionary · CC BY-SA

Where it comes from

Borrowed from New Latin acidophilus (“acid-loving”).

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Latin
  2. English

One recorded step before English.

Latin

Deepest traced root

1st

of 59 source languages in OUTLIER

30.7%

of traced words share this origin (23,981)

Italic

branch · 30.7% of traced words

How it is built

noun5 syllables

Every Latin 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.

ACIDOPHILUS in OUTLIER

Players have found it on 14 boards so far. 21 players have found it across Outlier's history.

Day 1Day 158
Its 14 boards, across 158 finished boards · taller bars are busier boards
14
Boards found on
32
First board
128
Latest board
20
Longest gap, days

It first turned up on Day 32, 21 June 2026. The most recent board was Day 128, 25 September 2026. Nobody has seen it on a board for 30 days.

First ever to find it

chemoplous

on Day 32, 21 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

ACIDOPHILUS
11
Letters
5
Vowels
6
Consonants
10
Different letters
2
Longest consonant run
1
Longest vowel run

ACIDOPHILUS starts with A and ends with S. Sorted, its letters read ACDHIILOPSU - the shape to hunt for when the grid is scrambled. I appears more than once.

Words that start ACIDOPH

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found ACIDOPHILUS?

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 32 - and most players walked straight past it.

Play today's OUTLIER