The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ISOPRENOID
Definition of ISOPRENOID
noun
Any compound formally derived from one or more isoprene units.
Wiktionary · CC BY-SA
Where it comes from
From isoprene + -oid.
Etymology via 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.
ISOPRENOID in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 82, 10 August 2026. The most recent board was Day 152, 19 October 2026. Nobody has seen it on a board for 6 days.
First ever to find it
on Day 82, 10 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ISOPRENOID starts with I and ends with D. Sorted, its letters read DEIINOOPRS - the shape to hunt for when the grid is scrambled. I and O appear more than once.
Words that start ISOPRE
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ISOPRENOID?
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 82 - and most players walked straight past it.
Play today's OUTLIER