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

HAPTERON

8 letters

Definition of HAPTERON

noun

A branched swelling at the base of an aquatic plant (such as an alga) that it uses to fix itself in place

Wiktionary · CC BY-SA

Where it comes from

From Ancient Greek ἅπτω (háptō, “fasten”).

Etymology via Wiktionary (CC BY-SA).

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.

HAPTERON in OUTLIER

Players have found it on 2 boards so far.

Day 1Day 123
Its 2 boards, across 123 finished boards · taller bars are busier boards
2
Boards found on
72
First board
81
Latest board
9
Longest gap, days

It first turned up on Day 72, 31 July 2026. The most recent board was Day 81, 9 August 2026. Nobody has seen it on a board for 42 days.

First ever to find it

travelgirl

on Day 81, 9 August 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

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

HAPTERON starts with H and ends with N. Sorted, its letters read AEHNOPRT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

Words that start HAPTER

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found HAPTERON?

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 72 - and most players walked straight past it.

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