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

MOUNTAINOUS

/ˈmaʊn.tɪ.nəs/11 letters

Definition of MOUNTAINOUS

adjective

Having many mountains; characterized by mountains; of the nature of a mountain; rough (terrain); rocky.

Wiktionary · CC BY-SA

Where it comes from

From mountain + -ous after Middle French montagneux, from Late Latin montāniōsus, from montānia, from Latin montem (“mountain”).

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Latin
  2. Middle French
  3. English

2 recorded generations before English.

Latin

Deepest traced root

1st

of 59 source languages in OUTLIER

30.7%

of traced words share this origin (25,664)

Italic

branch · 30.7% of traced words

How it is built

adjective3 syllablescompound-ous

Same root, MOUNTAINOUS · 1 relative in the game

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.

MOUNTAINOUS in OUTLIER

Players have found it on 1 board so far.

Day 1Day 169
Its one board, across 169 finished boards · taller bars are busier boards
1
Boards found on
166
First board
3
Days since seen

It first turned up on Day 166, 2 November 2026. Nobody has seen it on a board for 3 days.

First ever to find it

gigibibi

on Day 166, 2 November 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

MOUNTAINOUS
11
Letters
6
Vowels
5
Consonants
8
Different letters
2
Longest consonant run
2
Longest vowel run

MOUNTAINOUS starts with M and ends with S. Sorted, its letters read AIMNNOOSTUU - the shape to hunt for when the grid is scrambled. O, U and N appear more than once.

Words that start MOUNTAI

Its neighbours in the OUTLIER dictionary - shortest first.

MOUNTAINMOUNTAINSMOUNTAINYMOUNTAINEDMOUNTAINEERMOUNTAINTOPMOUNTAINEERSMOUNTAINSIDEMOUNTAINTOPSMOUNTAINOUSLYMOUNTAINSIDESMOUNTAINEERING

Could you have found MOUNTAINOUS?

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 166 - and most players walked straight past it.

Play today's OUTLIER