The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OPAL
Definition of OPAL
noun
A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O. A precious gem, an iridescent gemstone found in the opal-silica mineral substrate (potch)
Wiktionary · CC BY-SA
Where it comes from
In Florio’s A World of Words 1598 as opale, from French opale, from Latin opalus, from Byzantine Greek ὀπάλλιος (opállios), from Sanskrit उपल (upala, “gem, stone”), from उपरि (upári, “the upper millstone”). Distantly related to over.
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.
OPAL in OUTLIER
Players have found it on 35 boards so far. 78 players have found it across Outlier's history.
It first turned up on Day 8, 29 May 2026. The most recent board was Day 117, 14 September 2026. Nobody has seen it on a board for 4 days.
First found by a player on Day 8, 29 May 2026.
Built from these letters
OPAL starts with O and ends with L. Sorted, its letters read ALOP - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start OPAL
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 8
Could you have found OPAL?
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 8 - and most players walked straight past it.
Play today's OUTLIER