The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ISTHMI
Definition of ISTHMI
noun
plural of isthmus
noun
A narrow strip of land, bordered on both sides by water, and connecting two larger landmasses.
Wiktionary · CC BY-SA
Word DNA
ISTHMI inherits its ancestry from its root, ISTHMUS.
Line of descent
- Ancient Greek
- Latin
- English
2 recorded generations before English.
Deepest traced root
3rd
of 59 source languages in OUTLIER
12.2%
of traced words share this origin (9,517)
branch · 12.2% of traced words
How it is built
Same root, ISTHMUS · 5 relatives in the game
Its etymology also names Old Norse.
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
ISTHMI in OUTLIER
Players have found it on 25 boards so far. 29 players have found it across Outlier's history.
It first turned up on Day 37, 26 June 2026. The most recent board was Day 156, 23 October 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 37, 26 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ISTHMI starts with I and ends with I. Sorted, its letters read HIIMST - the shape to hunt for when the grid is scrambled. I appears more than once.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start ISTHMI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 37
Could you have found ISTHMI?
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 37 - and most players walked straight past it.
Play today's OUTLIER