The rare daily word game sweeping the globe. Find what's hidden in plain sight.

BIOMASS

/ˈbaɪə(ʊ)mæs/7 letters

Definition of BIOMASS

noun

The total mass of a living thing or a part thereof (such as a cell).

Wiktionary · CC BY-SA

Where it comes from

From bio- (prefix denoting organic life) + mass (“matter, material”).

Etymology via Wiktionary (CC BY-SA).

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

BIOMASS in OUTLIER

Players have found it on 1 board so far.

Day 1Day 124
Its one board, across 124 finished boards · taller bars are busier boards
1
Boards found on
124
First board
0
Days since seen

It first turned up on Day 124, 21 September 2026. It was on the latest finished board.

First found by a player on Day 124, 21 September 2026.

Built from these letters

BIOMASS
7
Letters
3
Vowels
4
Consonants
6
Different letters
2
Longest consonant run
2
Longest vowel run

BIOMASS starts with B and ends with S. Sorted, its letters read ABIMOSS - the shape to hunt for when the grid is scrambled. S appears more than once, including a double letter.

Words that start BIOMAS

Its neighbours in the OUTLIER dictionary - shortest first.

BIOMASSES

Could you have found BIOMASS?

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 124 - and most players walked straight past it.

Play today's OUTLIER

Share BIOMASS

The OUTLIER card for BIOMASSDownload image