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

BITUMINOUS

10 letters

Definition of BITUMINOUS

adjective

Of or pertaining to bitumen.

Wiktionary · CC BY-SA

Where it comes from

From French bitumineux.

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 (4,282)

Romance

branch · 12.8% of traced words

How it is built

adjective

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.

BITUMINOUS in OUTLIER

Players have found it on 22 boards so far. 71 players have found it across Outlier's history.

Day 1Day 162
Its 22 boards, across 162 finished boards · taller bars are busier boards
22
Boards found on
20
First board
156
Latest board
15
Longest gap, days

It first turned up on Day 20, 9 June 2026. The most recent board was Day 156, 23 October 2026. Nobody has seen it on a board for 6 days.

First ever to find it

wellreadredhead

on Day 20, 9 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

BITUMINOUS
10
Letters
5
Vowels
5
Consonants
8
Different letters
1
Longest consonant run
2
Longest vowel run

BITUMINOUS starts with B and ends with S. Sorted, its letters read BIIMNOSTUU - the shape to hunt for when the grid is scrambled. I and U appear more than once.

Words that start BITUMI

Its neighbours in the OUTLIER dictionary - shortest first.

BITUMINATEBITUMINISEBITUMINIZEBITUMINATEDBITUMINATESBITUMINISEDBITUMINISESBITUMINIZEDBITUMINIZESBITUMINIZINGBITUMINIZATIONBITUMINIZATIONS

Could you have found BITUMINOUS?

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 20 - and most players walked straight past it.

Play today's OUTLIER