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

BIOLUMINESCE

12 letters

Definition of BIOLUMINESCE

verb

To luminesce (shine) through bioluminescence

Wiktionary · CC BY-SA

Where it comes from

From bio- + luminesce.

Etymology via Wiktionary (CC BY-SA).

Word DNA

How it is built

verbcompoundbio-

Same root, BIOLUMINESCE · 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.

BIOLUMINESCE in OUTLIER

Players have found it on 5 boards so far. 13 players have found it across Outlier's history.

Day 1Day 165
Its 5 boards, across 165 finished boards · taller bars are busier boards
5
Boards found on
150
First board
165
Latest board
7
Longest gap, days

It first turned up on Day 150, 17 October 2026. The most recent board was Day 165, 1 November 2026. It was on the latest finished board.

First ever to find it

sassymaid

on Day 150, 17 October 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

BIOLUMINESCE
12
Letters
6
Vowels
6
Consonants
10
Different letters
2
Longest consonant run
2
Longest vowel run

BIOLUMINESCE starts with B and ends with E. Sorted, its letters read BCEEIILMNOSU - the shape to hunt for when the grid is scrambled. I and E appear more than once.

Words that start BIOLUMIN

Its neighbours in the OUTLIER dictionary - shortest first.

BIOLUMINESCEDBIOLUMINESCESBIOLUMINESCENTBIOLUMINESCENCE

Could you have found BIOLUMINESCE?

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 150 - and most players walked straight past it.

Play today's OUTLIER