The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OPERATIONALISM
Definition of OPERATIONALISM
noun
A philosophy that attempts to define all scientific concepts in terms of specified operations or procedures of observation and measurement.
Wiktionary · CC BY-SA
Where it comes from
From operational + -ism.
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.
OPERATIONALISM in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 122, 19 September 2026. The most recent board was Day 123, 20 September 2026. It was on the latest finished board.
First ever to find it
on Day 122, 19 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OPERATIONALISM starts with O and ends with M. Sorted, its letters read AAEIILMNOOPRST - the shape to hunt for when the grid is scrambled. O, A and I appear more than once.
Words that start OPERATIONA
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found OPERATIONALISM?
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 122 - and most players walked straight past it.
Play today's OUTLIER