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

XIPHISTERNUM

12 letters

Definition of XIPHISTERNUM

noun

Synonym of xiphoid process.

Wiktionary · CC BY-SA

Where it comes from

Ancient Greek ξίφος (xíphos, “sword”) + English -i- (in place of the etymologically consistent -o-) + English sternum

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Ancient Greek
  2. English

One recorded step before English.

Ancient Greek

Deepest traced root

3rd

of 59 source languages in OUTLIER

12.2%

of traced words share this origin (9,477)

Hellenic

branch · 12.2% of traced words

How it is built

nouncompound

Same root, XIPHISTERNUM · 1 relative 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.

XIPHISTERNUM in OUTLIER

Players have found it on 9 boards so far. 31 players have found it across Outlier's history.

Day 1Day 155
Its 9 boards, across 155 finished boards · taller bars are busier boards
9
Boards found on
85
First board
123
Latest board
11
Longest gap, days

It first turned up on Day 85, 13 August 2026. The most recent board was Day 123, 20 September 2026. Nobody has seen it on a board for 32 days.

First ever to find it

emid

on Day 85, 13 August 2026 - before anyone else in Outlier's history. See the Pioneers

Also on

Built from these letters

XIPHISTERNUM
12
Letters
4
Vowels
8
Consonants
11
Different letters
2
Longest consonant run
1
Longest vowel run

XIPHISTERNUM starts with X and ends with M. Sorted, its letters read EHIIMNPRSTUX - the shape to hunt for when the grid is scrambled. I appears more than once. It uses X - among the least common letters in written English.

Words that start XIPHISTE

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found XIPHISTERNUM?

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 85 - and most players walked straight past it.

Play today's OUTLIER