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

BIOSOLIDS

9 letters

Definition of BIOSOLIDS

noun

plural of biosolid

BIOSOLID

noun

A byproduct of domestic and commercial sewage and wastewater treatment.

Wiktionary · CC BY-SA

Word DNA

BIOSOLIDS inherits its ancestry from its root, BIOSOLID.

How it is built

nouncompoundbio-

Same root, BIOSOLID · 1 relative in the game

The Word DNA of OUTLIER →

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.

BIOSOLIDS in OUTLIER

Players have found it on 1 board so far.

Day 1Day 170
Its one board, across 170 finished boards · taller bars are busier boards
1
Boards found on
146
First board
24
Days since seen

It first turned up on Day 146, 13 October 2026. Nobody has seen it on a board for 24 days.

First ever to find it

enginefelix

on Day 146, 13 October 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

BIOSOLIDS
9
Letters
4
Vowels
5
Consonants
6
Different letters
2
Longest consonant run
2
Longest vowel run

BIOSOLIDS starts with B and ends with S. Sorted, its letters read BDIILOOSS - the shape to hunt for when the grid is scrambled. I, O and S appear more than once.

Words that start BIOSOL

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found BIOSOLIDS?

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 146 - and most players walked straight past it.

Play today's OUTLIER