The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OPSONISE
Definition of OPSONISE
verb
Alternative spelling of opsonize.
verb
To make (bacteria or other cells) more susceptible to the action of phagocytes by use of opsonins.
Wiktionary · CC BY-SA
Word DNA
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
OPSONISE in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 162, 29 October 2026. Nobody has seen it on a board for 12 days.
First ever to find it
on Day 162, 29 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OPSONISE starts with O and ends with E. Sorted, its letters read EINOOPSS - the shape to hunt for when the grid is scrambled. O and S appear more than once.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start OPSONI
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found OPSONISE?
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 162 - and most players walked straight past it.
Play today's OUTLIER