The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HYALOID
Definition of HYALOID
adjective
transparent or glassy
Wiktionary · CC BY-SA
Where it comes from
From Ancient Greek ὑαλοειδής (hualoeidḗs), from ὕαλος (húalos, “glass”) + -ειδής (-eidḗs, “-id”).
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.
HYALOID in OUTLIER
Players have found it on 4 boards so far.
It first turned up on Day 31, 20 June 2026. The most recent board was Day 89, 17 August 2026. Nobody has seen it on a board for 13 days.
First ever to find it
on Day 31, 20 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HYALOID starts with H and ends with D. Sorted, its letters read ADHILOY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Also seen on Day 31
Could you have found HYALOID?
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 31 - and most players walked straight past it.
Play today's OUTLIER