The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ACTINOID
Definition of ACTINOID
noun
actinide
Wiktionary · CC BY-SA
Where it comes from
From actin- + -oid.
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.
ACTINOID in OUTLIER
Players have found it on 9 boards so far.
It first turned up on Day 45, 4 July 2026. The most recent board was Day 92, 20 August 2026. Nobody has seen it on a board for 10 days.
First ever to find it
on Day 45, 4 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ACTINOID starts with A and ends with D. Sorted, its letters read ACDIINOT - the shape to hunt for when the grid is scrambled. I appears more than once.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start ACTINO
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 45
Could you have found ACTINOID?
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 45 - and most players walked straight past it.
Play today's OUTLIER