The rare daily word game sweeping the globe. Find what's hidden in plain sight.

CUPROUS

/ˈkjuːpɹəs/7 letters

Definition of CUPROUS

adjective

Of, or of the nature of, copper.

Wiktionary · CC BY-SA

Where it comes from

From Latin cuprum (“copper”), + -ous.

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Latin
  2. English

One recorded step before English.

Latin

Deepest traced root

1st

of 59 source languages in OUTLIER

30.7%

of traced words share this origin (24,343)

Italic

branch · 30.7% of traced words

How it is built

adjective2 syllablescompound-ous

Every Latin word → · The Word DNA of OUTLIER →

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

CUPROUS in OUTLIER

Players have found it on 27 boards so far. 65 players have found it across Outlier's history.

Day 1Day 160
Its 27 boards, across 160 finished boards · taller bars are busier boards
27
Boards found on
46
First board
160
Latest board
12
Longest gap, days

It first turned up on Day 46, 5 July 2026. The most recent board was Day 160, 27 October 2026. It was on the latest finished board.

First ever to find it

taohuayuan

on Day 46, 5 July 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

CUPROUS
7
Letters
3
Vowels
4
Consonants
6
Different letters
2
Longest consonant run
2
Longest vowel run

CUPROUS starts with C and ends with S. Sorted, its letters read COPRSUU - the shape to hunt for when the grid is scrambled. U appears more than once.

Could you have found CUPROUS?

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 46 - and most players walked straight past it.

Play today's OUTLIER