The rare daily word game sweeping the globe. Find what's hidden in plain sight.
MUSCLE
Definition of MUSCLE
noun
A contractile form of tissue which animals use to effect movement.
Wiktionary · CC BY-SA
Where it comes from
From Middle English muscle, muscule, muskylle, and in part from Middle French muscle, from Latin mūsculus (“a muscle”, literally “little mouse”) because of the mouselike appearance of some muscles, from mūs (“mouse”). Doublet of mussel. More at mouse.
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.
MUSCLE in OUTLIER
Players have found it on 24 boards so far. 29 players have found it across Outlier's history.
It first turned up on Day 19, 8 June 2026. The most recent board was Day 106, 3 September 2026. Nobody has seen it on a board for 3 days.
First ever to find it
on Day 19, 8 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
MUSCLE starts with M and ends with E. Sorted, its letters read CELMSU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start MUSCLE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 19
Could you have found MUSCLE?
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 19 - and most players walked straight past it.
Play today's OUTLIER