The rare daily word game sweeping the globe. Find what's hidden in plain sight.
BOULDER
Definition of BOULDER
noun
A large mass of stone detached from the surrounding land.
Wiktionary · CC BY-SA
Where it comes from
From late Middle English bulder, short for Middle English bulder ston (“a stone that's been worn into a round shape, boulder, cobblestone”), possibly from Old Swedish *buldersten, itself possibly from Old Swedish bulder (“rumble, noise”) + sten (“stone”); whence dialectal Swedish bullersten (“large stone in a stream, causing water to roar around it”). The first element may alternatively be allied to Old Swedish bulle, bolle (“round drinking vessel, tumbler”), from Old Norse bolli, related to Old English bolla (“round object, bowl”), see English bowl.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
4 recorded generations before English.
Deepest traced root
6th
of 58 source languages in OUTLIER
4.2%
of traced words share this origin (1,217)
branch · 22.3% of traced words
How it is built
Same root, BOULD · 2 relatives in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
BOULDER in OUTLIER
Players have found it on 26 boards so far. 38 players have found it across Outlier's history.
It first turned up on Day 24, 13 June 2026. The most recent board was Day 144, 11 October 2026. Nobody has seen it on a board for 3 days.
First found by a player on Day 24, 13 June 2026.
Built from these letters
BOULDER starts with B and ends with R. Sorted, its letters read BDELORU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
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 BOULDE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 24
Could you have found BOULDER?
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 24 - and most players walked straight past it.
Play today's OUTLIER