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

LACTOSE

/ˈlæk.təʊs/7 letters

Definition of LACTOSE

noun

The disaccharide sugar of milk and dairy products, C12H22O11, a product of glucose and galactose used as a food and in medicinal compounds.

Wiktionary · CC BY-SA

Where it comes from

Borrowed from French lactose, from Latin lac (“milk”) + -ose (derivation of glucose). Coined by French chemist Marcelin Berthelot.

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Latin
  2. French
  3. English

2 recorded generations before English.

Latin

Deepest traced root

1st

of 59 source languages in OUTLIER

30.6%

of traced words share this origin (24,817)

Italic

branch · 30.6% of traced words

How it is built

noun2 syllablescompound-ose

Same root, LACTOSE · 2 relatives in the game

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.

LACTOSE in OUTLIER

Players have found it on 65 boards so far. 114 players have found it across Outlier's history.

Day 1Day 163
Its 65 boards, across 163 finished boards · taller bars are busier boards
65
Boards found on
7
First board
163
Latest board
17
Longest gap, days

It first turned up on Day 7, 28 May 2026. The most recent board was Day 163, 30 October 2026. It was on the latest finished board.

First found by a player on Day 17, 6 June 2026.

Built from these letters

LACTOSE
7
Letters
3
Vowels
4
Consonants
7
Different letters
2
Longest consonant run
1
Longest vowel run

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

Same letters, different word

4 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.

Words that start LACTOS

Its neighbours in the OUTLIER dictionary - shortest first.

LACTOSESLACTOSCOPELACTOSURIALACTOSCOPESLACTOSURIAS

Could you have found LACTOSE?

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 7 - and most players walked straight past it.

Play today's OUTLIER