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

CALDERA

/kælˈdɛə.ɹə/7 letters

Definition of CALDERA

noun

A large crater formed by collapse of the cone or edifice of a volcano.

Wiktionary · CC BY-SA

Where it comes from

Borrowed from Spanish caldera (“cauldron”), from Late Latin caldāria (“warm bath”), from Latin caldārium. Doublet of chowder.

Etymology via Wiktionary (CC BY-SA).

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.

CALDERA in OUTLIER

Players have found it on 21 boards so far. 28 players have found it across Outlier's history.

Day 1Day 109
Its 21 boards, across 109 finished boards · taller bars are busier boards
21
Boards found on
27
First board
102
Latest board
12
Longest gap, days

It first turned up on Day 27, 16 June 2026. The most recent board was Day 102, 30 August 2026. Nobody has seen it on a board for 7 days.

First found by a player on Day 27, 16 June 2026.

Built from these letters

CALDERA
7
Letters
3
Vowels
4
Consonants
6
Different letters
2
Longest consonant run
1
Longest vowel run

CALDERA starts with C and ends with A. Sorted, its letters read AACDELR - the shape to hunt for when the grid is scrambled. A 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.

CRAALED

Words that start CALDER

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found CALDERA?

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 27 - and most players walked straight past it.

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The OUTLIER card for CALDERADownload image