The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BUTANOIC
Definition of BUTANOIC
adjective
Of or pertaining to butanoic acid or its derivatives
Wiktionary · CC BY-SA
Where it comes from
From butane + -oic.
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.
BUTANOIC in OUTLIER
Players have found it on 15 boards so far. 15 players have found it across Outlier's history.
It first turned up on Day 42, 1 July 2026. The most recent board was Day 103, 31 August 2026. Nobody has seen it on a board for 6 days.
First ever to find it
on Day 42, 1 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
BUTANOIC starts with B and ends with C. Sorted, its letters read ABCINOTU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start BUTANO
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found BUTANOIC?
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 42 - and most players walked straight past it.
Play today's OUTLIER