The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OSMOSIS
Definition of OSMOSIS
noun
The net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.
Wiktionary · CC BY-SA
Where it comes from
From endosmose and exosmose, both coined by French physician Henri Dutrochet in 1826; from (respectively) Ancient Greek ἔνδον (éndon, “within”) and Ancient Greek ἔξω (éxō, “outer, external”), plus Ancient Greek ὠσμός (ōsmós, “push, impulsion”), from ὠθέω (ōthéō).
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Ancient Greek
- French
- English
2 recorded generations before English.
Deepest traced root
3rd
of 59 source languages in OUTLIER
12.4%
of traced words share this origin (10,640)
branch · 12.4% of traced words
How it is built
Same root, OSMOSIS · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
OSMOSIS in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 162, 29 October 2026. Nobody has seen it on a board for 15 days.
First ever to find it
on Day 162, 29 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OSMOSIS starts with O and ends with S. Sorted, its letters read IMOOSSS - the shape to hunt for when the grid is scrambled. O and S appear more than once.
Could you have found OSMOSIS?
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 162 - and most players walked straight past it.
Play today's OUTLIER