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

UNDULATORS

10 letters

Definition of UNDULATORS

noun

plural of undulator

UNDULATOR

noun

A periodic structure of dipole magnets that generates a low-energy collimated beam of radiation.

Wiktionary · CC BY-SA

Word DNA

UNDULATORS inherits its ancestry from its root, UNDULATOR.

How it is built

nouncompound-or

Same root, UNDULATOR · 1 relative in the game

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.

UNDULATORS in OUTLIER

Players have found it on 31 boards so far. 95 players have found it across Outlier's history.

Day 1Day 140
Its 31 boards, across 140 finished boards · taller bars are busier boards
31
Boards found on
41
First board
138
Latest board
10
Longest gap, days

It first turned up on Day 41, 30 June 2026. The most recent board was Day 138, 5 October 2026. Nobody has seen it on a board for 2 days.

First ever to find it

ayakattackSUPPORTER

on Day 41, 30 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

UNDULATORS
10
Letters
4
Vowels
6
Consonants
9
Different letters
2
Longest consonant run
1
Longest vowel run

UNDULATORS starts with U and ends with S. Sorted, its letters read ADLNORSTUU - the shape to hunt for when the grid is scrambled. U appears more than once.

Same letters, different word

One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.

Words that start UNDULA

Its neighbours in the OUTLIER dictionary - shortest first.

UNDULARUNDULANTUNDULATEUNDULANCEUNDULANCYUNDULATEDUNDULATESUNDULATORUNDULANCESUNDULATELYUNDULATINGUNDULATION

Could you have found UNDULATORS?

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 41 - and most players walked straight past it.

Play today's OUTLIER