The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BACTERIN
Definition of BACTERIN
noun
A suspension of killed or attenuated bacteria for use as a vaccine.
Wiktionary · CC BY-SA
Where it comes from
From bacteria + -in.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, BACTERIA · 12 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.
BACTERIN in OUTLIER
Players have found it on 5 boards so far.
It first turned up on Day 72, 31 July 2026. The most recent board was Day 144, 11 October 2026. Nobody has seen it on a board for 13 days.
First ever to find it
on Day 87, 15 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
BACTERIN starts with B and ends with N. Sorted, its letters read ABCEINRT - 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.
Words that start BACTER
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found BACTERIN?
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 72 - and most players walked straight past it.
Play today's OUTLIER