The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OPSONIZE
Definition of OPSONIZE
verb
To make (bacteria or other cells) more susceptible to the action of phagocytes by use of opsonins.
Wiktionary · CC BY-SA
Where it comes from
From opson + -ize.
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
OPSONIZE in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 125, 22 September 2026. It was on the latest finished board.
First ever to find it
on Day 125, 22 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OPSONIZE starts with O and ends with E. Sorted, its letters read EINOOPSZ - the shape to hunt for when the grid is scrambled. O appears more than once. It uses Z - among the least common letters in written English.
Words that start OPSONI
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found OPSONIZE?
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 125 - and most players walked straight past it.
Play today's OUTLIER