The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BACKFLOW
Definition of BACKFLOW
noun
The flow of a fluid (through a pipe etc.) in a direction opposite to that which is normal or intended.
Wiktionary · CC BY-SA
Where it comes from
From back + flow.
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.
BACKFLOW in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 68, 27 July 2026. The most recent board was Day 79, 7 August 2026. Nobody has seen it on a board for 23 days.
First found by a player on Day 68, 27 July 2026.
Built from these letters
BACKFLOW starts with B and ends with W. Sorted, its letters read ABCFKLOW - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start BACKFL
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found BACKFLOW?
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 68 - and most players walked straight past it.
Play today's OUTLIER