The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ISOFORM
Definition of ISOFORM
noun
Any of several different forms of the same protein, arising from either single nucleotide polymorphisms, differential splicing of mRNA, or post-translational modifications (e.g. sulfation, glycosylation, etc.)
Wiktionary · CC BY-SA
Where it comes from
From iso- + form.
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.
ISOFORM in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 85, 13 August 2026. The most recent board was Day 110, 7 September 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 99, 27 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ISOFORM starts with I and ends with M. Sorted, its letters read FIMOORS - the shape to hunt for when the grid is scrambled. O appears more than once.
Words that start ISOFOR
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ISOFORM?
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 85 - and most players walked straight past it.
Play today's OUTLIER