The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BIOSPHERE
Definition of BIOSPHERE
noun
The part of the Earth and its atmosphere capable of supporting life.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from German Biosphäre, coined by Austrian geologist Eduard Suess in 1875. By surface analysis, bio- + -sphere.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- German
- English
One recorded step before English.
Deepest traced root
8th
of 58 source languages in OUTLIER
3.1%
of traced words share this origin (905)
branch · 22.3% of traced words
How it is built
Same root, BIOSPHERE · 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.
BIOSPHERE in OUTLIER
Players have found it on 34 boards so far. 85 players have found it across Outlier's history.
It first turned up on Day 27, 16 June 2026. The most recent board was Day 147, 14 October 2026. It was on the latest finished board.
First ever to find it
on Day 27, 16 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
BIOSPHERE starts with B and ends with E. Sorted, its letters read BEEHIOPRS - the shape to hunt for when the grid is scrambled. E appears more than once.
Words that start BIOSPH
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 27
Could you have found BIOSPHERE?
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 27 - and most players walked straight past it.
Play today's OUTLIER