The rare daily word game sweeping the globe. Find what's hidden in plain sight.
ARBOREAL
Definition of ARBOREAL
adjective
Of, relating to, or resembling a tree.
Wiktionary · CC BY-SA
Where it comes from
From Latin arboreus (“tree-like”) + -al, mid-17th century.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Latin
- English
One recorded step before English.
Deepest traced root
1st
of 59 source languages in OUTLIER
30.7%
of traced words share this origin (23,914)
branch · 30.7% of traced words
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
ARBOREAL in OUTLIER
Players have found it on 2 boards so far. 20 players have found it across Outlier's history.
It first turned up on Day 138, 5 October 2026. The most recent board was Day 151, 18 October 2026. Nobody has seen it on a board for 5 days.
First ever to find it
on Day 138, 5 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
ARBOREAL starts with A and ends with L. Sorted, its letters read AABELORR - the shape to hunt for when the grid is scrambled. A and R appear more than once.
Words that start ARBORE
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found ARBOREAL?
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 138 - and most players walked straight past it.
Play today's OUTLIER