The rare daily word game sweeping the globe. Find what's hidden in plain sight.
OPALINE
Definition of OPALINE
adjective
Resembling opal in having a milky white iridescence.
Wiktionary · CC BY-SA
Other senses
OPALINE carries 4 further meanings.
Pertaining to or like opal; also, like some property of the opal; specifically, having an iridescence like that of the opal; bluish-white, reflecting prismatic hues, as the wings of certain insects.
noun
A semi-translucent glass, whitened by the addition of phosphate of lime, peroxid of tin, or other ingredients.
noun
An opalina.
adjective
Of, pertaining to, or like, opal in appearance; having changeable colors like those of the opal.
Where it comes from
From opal + -ine.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, OPAL · 10 relatives in the game
OPALINE in a sentence
“His eyes were opaline, and he was built like a reed.”
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
OPALINE in OUTLIER
Players have found it on 53 boards so far. 97 players have found it across Outlier's history.
It first turned up on Day 29, 18 June 2026. The most recent board was Day 155, 22 October 2026. It was on the latest finished board.
First ever to find it
on Day 29, 18 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
OPALINE starts with O and ends with E. Sorted, its letters read AEILNOP - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Also seen on Day 29
Could you have found OPALINE?
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 29 - and most players walked straight past it.
Play today's OUTLIER