The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ISOPROPYL
Definition of ISOPROPYL
noun
The univalent organic radical (CH3)2CH-.
Wiktionary · CC BY-SA
Where it comes from
From iso- + propyl.
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.
ISOPROPYL in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 110, 7 September 2026. Nobody has seen it on a board for 11 days.
First ever to find it
on Day 110, 7 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ISOPROPYL starts with I and ends with L. Sorted, its letters read ILOOPPRSY - the shape to hunt for when the grid is scrambled. O and P appear more than once.
Words that start ISOPRO
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ISOPROPYL?
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 110 - and most players walked straight past it.
Play today's OUTLIER