The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BLUESTONE
Definition of BLUESTONE
noun
Any of several bluish-grey varieties of stone used for construction: A form of dolerite which appears blue when wet or freshly broken. Any of the several (massive) kinds of non-local stone (particularly dolerite) used to construct Stonehenge. A feldspathic sandstone found in the US and Canada. A form of limestone found in the Shenandoah Valley and some other places. A bluish-grey basalt or olivine basalt. Slate, such as comes from quarries in or near Adelaide.
Wiktionary · CC BY-SA
Where it comes from
From blue + stone.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, BLUESTONE · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
BLUESTONE in OUTLIER
Players have found it on 6 boards so far.
It first turned up on Day 39, 28 June 2026. The most recent board was Day 142, 9 October 2026. Nobody has seen it on a board for 5 days.
First found by a player on Day 39, 28 June 2026.
Built from these letters
BLUESTONE starts with B and ends with E. Sorted, its letters read BEELNOSTU - the shape to hunt for when the grid is scrambled. E appears more than once.
Words that start BLUEST
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 39
Could you have found BLUESTONE?
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 39 - and most players walked straight past it.
Play today's OUTLIER