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

DIACHRONY

/daɪˈækɹəni/9 letters

Definition of DIACHRONY

noun

The study of change over time, especially changes to language.

Wiktionary · CC BY-SA

Where it comes from

By surface analysis, dia- + chron- + -y; historically, see synchronous § Etymology.

Etymology via Wiktionary (CC BY-SA).

Word DNA

How it is built

noun4 syllablescompoundchron-dia-

Same root, DIACHRONY · 1 relative in the game

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.

DIACHRONY in OUTLIER

Players have found it on 19 boards so far. 22 players have found it across Outlier's history.

Day 1Day 148
Its 19 boards, across 148 finished boards · taller bars are busier boards
19
Boards found on
54
First board
143
Latest board
17
Longest gap, days

It first turned up on Day 54, 13 July 2026. The most recent board was Day 143, 10 October 2026. Nobody has seen it on a board for 5 days.

First ever to find it

ema05

on Day 54, 13 July 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

DIACHRONY
9
Letters
3
Vowels
6
Consonants
9
Different letters
3
Longest consonant run
2
Longest vowel run

DIACHRONY starts with D and ends with Y. Sorted, its letters read ACDHINORY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

Words that start DIACHR

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found DIACHRONY?

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 54 - and most players walked straight past it.

Play today's OUTLIER