The rare daily word game sweeping the globe. Find what's hidden in plain sight.
GUACO
Definition of GUACO
noun
Any of various vine-like climbing plants of Central and South America and the West Indies, including Mikania and Aristolochia species, reputed to have curative powers.
Wiktionary · CC BY-SA
Where it comes from
From Spanish guaco, from a Native American language.
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.
GUACO in OUTLIER
Players have found it on 5 boards so far.
It first turned up on Day 59, 18 July 2026. The most recent board was Day 120, 17 September 2026. It was on the latest finished board.
First ever to find it
on Day 59, 18 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
GUACO starts with G and ends with O. Sorted, its letters read ACGOU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Could you have found GUACO?
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 59 - and most players walked straight past it.
Play today's OUTLIER