The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ISOMORPHIC
Definition of ISOMORPHIC
adjective
Related by an isomorphism; having a structure-preserving one-to-one correspondence.
Wiktionary · CC BY-SA
Where it comes from
From iso- + -morphic.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
ISOMORPHIC in OUTLIER
Players have found it on 22 boards so far. 34 players have found it across Outlier's history.
It first turned up on Day 25, 14 June 2026. The most recent board was Day 147, 14 October 2026. Nobody has seen it on a board for 4 days.
First ever to find it
on Day 25, 14 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ISOMORPHIC starts with I and ends with C. Sorted, its letters read CHIIMOOPRS - the shape to hunt for when the grid is scrambled. I and O appear more than once.
Words that start ISOMOR
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 25
Could you have found ISOMORPHIC?
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 25 - and most players walked straight past it.
Play today's OUTLIER