The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ZACK
Definition of ZACK
noun
Sixpence.
Wiktionary · CC BY-SA
Where it comes from
Unknown; possibly an alteration or dialect form of six.
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.
ZACK in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 36, 25 June 2026. The most recent board was Day 68, 27 July 2026. Nobody has seen it on a board for 55 days.
First ever to find it
on Day 68, 27 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ZACK starts with Z and ends with K. Sorted, its letters read ACKZ - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram. It uses Z - among the least common letters in written English.
Words that start ZACK
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 36
Could you have found ZACK?
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 36 - and most players walked straight past it.
Play today's OUTLIER