The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BURSAE
Definition of BURSAE
noun
plural of bursa
noun
Any of the many small fluid-filled sacs located at the point where a muscle or tendon slides across bone. These sacs serve to reduce friction between the two moving surfaces.
Wiktionary · CC BY-SA
Word DNA
BURSAE inherits its ancestry from its root, BURSA.
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, BURSA · 4 relatives 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.
BURSAE in OUTLIER
Players have found it on 34 boards so far. 48 players have found it across Outlier's history.
It first turned up on Day 37, 26 June 2026. The most recent board was Day 151, 18 October 2026. Nobody has seen it on a board for 7 days.
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
BURSAE starts with B and ends with E. Sorted, its letters read ABERSU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Also seen on Day 37
Could you have found BURSAE?
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