The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SULFONIC
Definition of SULFONIC
adjective
Of or pertaining to the -SO2OH group.
Wiktionary · CC BY-SA
Where it comes from
See sulfuric. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
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.
SULFONIC in OUTLIER
Players have found it on 6 boards so far.
It first turned up on Day 53, 12 July 2026. The most recent board was Day 102, 30 August 2026. It was on the latest finished board.
First ever to find it
on Day 56, 15 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SULFONIC starts with S and ends with C. Sorted, its letters read CFILNOSU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start SULFON
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 53
Could you have found SULFONIC?
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 53 - and most players walked straight past it.
Play today's OUTLIER