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

CARDIAC

/ˈkɑːdɪæk/7 letters

Definition of CARDIAC

adjective

Pertaining to the heart.

Wiktionary · CC BY-SA

Where it comes from

From Middle French cardiaque, from Latin cardiacus, from Ancient Greek καρδιακός (kardiakós, “relating to the heart”), from καρδία (kardía, “heart”); by surface analysis, cardi- + -ac.

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Ancient Greek
  2. Latin
  3. Middle French
  4. English

3 recorded generations before English.

Ancient Greek

Deepest traced root

2nd

of 59 source languages in OUTLIER

12.7%

of traced words share this origin (3,825)

Hellenic

branch · 12.7% of traced words

How it is built

adjective2 syllablescompound-accardi-

Every Ancient Greek 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.

CARDIAC in OUTLIER

Players have found it on 2 boards so far.

Day 1Day 153
Its 2 boards, across 153 finished boards · taller bars are busier boards
2
Boards found on
137
First board
139
Latest board
2
Longest gap, days

It first turned up on Day 137, 4 October 2026. The most recent board was Day 139, 6 October 2026. Nobody has seen it on a board for 14 days.

First ever to find it

maevee

on Day 137, 4 October 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

CARDIAC
7
Letters
3
Vowels
4
Consonants
5
Different letters
2
Longest consonant run
2
Longest vowel run

CARDIAC starts with C and ends with C. Sorted, its letters read AACCDIR - the shape to hunt for when the grid is scrambled. C and A appear more than once.

Words that start CARDIA

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found CARDIAC?

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 137 - and most players walked straight past it.

Play today's OUTLIER