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

TEPIDARIUM

/ˌtɛpɪˈdɛəɹi.əm/10 letters

Definition of TEPIDARIUM

noun

A warm room in a Roman baths that was usually heated by a hypocaust.

Wiktionary · CC BY-SA

Where it comes from

Borrowed from Latin tepidārium.

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 58 source languages in OUTLIER

33%

of traced words share this origin (9,487)

Italic

branch · 33% of traced words

How it is built

noun5 syllables

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.

TEPIDARIUM in OUTLIER

Players have found it on 15 boards so far. 22 players have found it across Outlier's history.

Day 1Day 143
Its 15 boards, across 143 finished boards · taller bars are busier boards
15
Boards found on
42
First board
135
Latest board
21
Longest gap, days

It first turned up on Day 42, 1 July 2026. The most recent board was Day 135, 2 October 2026. Nobody has seen it on a board for 8 days.

First found by a player on Day 42, 1 July 2026.

Built from these letters

TEPIDARIUM
10
Letters
5
Vowels
5
Consonants
9
Different letters
1
Longest consonant run
2
Longest vowel run

TEPIDARIUM starts with T and ends with M. Sorted, its letters read ADEIIMPRTU - the shape to hunt for when the grid is scrambled. I appears more than once.

Words that start TEPIDA

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found TEPIDARIUM?

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 42 - and most players walked straight past it.

Play today's OUTLIER