The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CALLUS
Definition of CALLUS
noun
A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Latin callum (“hard skin”). Displaced Old English wearr.
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
30.6%
of traced words share this origin (25,330)
branch · 30.6% of traced words
How it is built
Same root, CALLUS · 2 relatives in the game
Its etymology also names Old English.
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
CALLUS in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 110, 7 September 2026. The most recent board was Day 145, 12 October 2026. Nobody has seen it on a board for 22 days.
First ever to find it
on Day 110, 7 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
CALLUS starts with C and ends with S. Sorted, its letters read ACLLSU - the shape to hunt for when the grid is scrambled. L appears more than once, including a double letter.
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 CALLUS
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found CALLUS?
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 110 - and most players walked straight past it.
Play today's OUTLIER