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

HYPOGAEA

8 letters

Definition of HYPOGAEA

noun

plural of hypogaeum

HYPOGEUM · via hypogaeum

noun

An underground room or cavern .

Wiktionary · CC BY-SA

Word DNA

HYPOGAEA inherits its ancestry from its root, HYPOGEUM.

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

12.2%

of traced words share this origin (9,700)

Hellenic

branch · 12.2% of traced words

How it is built

noun

Same root, HYPOGEUM · 3 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.

HYPOGAEA in OUTLIER

Players have found it on 4 boards so far.

Day 1Day 160
Its 4 boards, across 160 finished boards · taller bars are busier boards
4
Boards found on
31
First board
152
Latest board
63
Longest gap, days

It first turned up on Day 31, 20 June 2026. The most recent board was Day 152, 19 October 2026. Nobody has seen it on a board for 8 days.

First ever to find it

travelgirl

on Day 31, 20 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

HYPOGAEA
8
Letters
4
Vowels
4
Consonants
7
Different letters
3
Longest consonant run
3
Longest vowel run

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

Words that start HYPOGA

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found HYPOGAEA?

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 31 - and most players walked straight past it.

Play today's OUTLIER