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MASTODON

/ˈmæs.tə.dɒn/8 letters

Definition of MASTODON

noun

Extinct elephant-like mammal of the genus †Mammut that flourished worldwide from Miocene through Pleistocene times; differs from elephants and mammoths in the form of the molar teeth.

Wiktionary · CC BY-SA

Where it comes from

First attested 1813, from translingual Mastodon (1806), coined by French naturalist Georges Cuvier, from masto- (“breast”) + -odon (“tooth”), due to the mammilloid (“nipple-shaped”) projections on the crowns of the extinct mammal's molars.

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. French
  2. English

One recorded step before English.

French

Deepest traced root

5th

of 59 source languages in OUTLIER

5.3%

of traced words share this origin (4,160)

Romance

branch · 12.9% of traced words

How it is built

noun3 syllablescompound-odonmasto-

Same root, MASTODON · 3 relatives in the game

Every French 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.

MASTODON in OUTLIER

Players have found it on 51 boards so far. 147 players have found it across Outlier's history.

Day 1Day 159
Its 51 boards, across 159 finished boards · taller bars are busier boards
51
Boards found on
30
First board
157
Latest board
7
Longest gap, days

It first turned up on Day 30, 19 June 2026. The most recent board was Day 157, 24 October 2026. Nobody has seen it on a board for 2 days.

First ever to find it

winnerwinnder

on Day 30, 19 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

MASTODON
8
Letters
3
Vowels
5
Consonants
7
Different letters
2
Longest consonant run
1
Longest vowel run

MASTODON starts with M and ends with N. Sorted, its letters read ADMNOOST - the shape to hunt for when the grid is scrambled. O appears more than once.

Words that start MASTOD

Its neighbours in the OUTLIER dictionary - shortest first.

MASTODONSMASTODONTMASTODONICMASTODONTSMASTODYNIAMASTODONTICMASTODYNIAS

Could you have found MASTODON?

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 30 - and most players walked straight past it.

Play today's OUTLIER