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

PROPYL

/ˈpɹoʊpəl/6 letters

Definition of PROPYL

noun

Either of two isomeric univalent hydrocarbon radicals, C3H7, formally derived from propane by the loss of a hydrogen atom.

Wiktionary · CC BY-SA

Where it comes from

From the chemical prefix propyl-, from propylic or directly from earlier French propylique, from prop(ionique) + -yle + -ique, where -yle, as in French méthylène, is from ὕλη (húlē, “wood, substance”).

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 (4,395)

Romance

branch · 12.8% of traced words

How it is built

noun2 syllablescompound-ique-ylepropyl-

Same root, PROPYL · 1 relative 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.

PROPYL in OUTLIER

Players have found it on 2 boards so far.

Day 1Day 168
Its 2 boards, across 168 finished boards · taller bars are busier boards
2
Boards found on
117
First board
159
Latest board
42
Longest gap, days

It first turned up on Day 117, 14 September 2026. The most recent board was Day 159, 26 October 2026. Nobody has seen it on a board for 9 days.

First ever to find it

jeremymsimon

on Day 117, 14 September 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

PROPYL
6
Letters
1
Vowels
5
Consonants
5
Different letters
3
Longest consonant run
1
Longest vowel run

PROPYL starts with P and ends with L. Sorted, its letters read LOPPRY - the shape to hunt for when the grid is scrambled. P appears more than once.

Words that start PROPYL

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found PROPYL?

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 117 - and most players walked straight past it.

Play today's OUTLIER