The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SOLIDUS
Definition of SOLIDUS
noun
Various medieval and early modern coins or units of account, particularly: A Roman ~23k gold coin introduced by Diocletian in AD 301 and called by that name, but reissued at a slightly lower weight by Constantine I. Its successor Byzantine coins, from the eleventh century onward of progressively debased weight and purity. Synonym of sol or sou: a Carolingian unit of account equivalent to a solidus of silver. Synonym of soldo: the silver coins of various Italian states. Synonym of shilling: an English unit of account and, following the Tudor dynasty, silver coin.
Wiktionary · CC BY-SA
Where it comes from
From Middle English solidus, from classical Latin solidus (“solid”), see below. Doublet of sol, sold, soldo, solid, sou, and xu. In numismatic and weight senses, via medieval Latin solidus (“various coins”), from Late Latin solidus (“a gold coin of the Roman Empire”). In chemical sense, via German Solidus, coined by H.W.B. Roozeboom in his 1899 Zeitschrift für Physikalische Chemie, Stöchiometrie, und Verwandtschaftslehre (XXX, page 387). In typography, from the shilling mark originally being an abbreviation (a long s ⟨ſ⟩), of Medieval Latin solidus meaning shilling.
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.
SOLIDUS in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 124, 21 September 2026. It was on the latest finished board.
First ever to find it
on Day 124, 21 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SOLIDUS starts with S and ends with S. Sorted, its letters read DILOSSU - the shape to hunt for when the grid is scrambled. S 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.
Could you have found SOLIDUS?
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 124 - and most players walked straight past it.
Play today's OUTLIER