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

HORIZONTAL

/ˌhɒɹɪˈzɒn.təl/10 letters

Definition of HORIZONTAL

adjective

Perpendicular to the vertical; parallel to the plane of the horizon; level, flat.

Wiktionary · CC BY-SA

Where it comes from

Borrowed from Middle French horizontal, from horizon, horizonte, from Latin horizōn (stem horizont-).

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.

HORIZONTAL in OUTLIER

Players have found it on 5 boards so far.

Day 1Day 102
Its 5 boards, across 102 finished boards · taller bars are busier boards
5
Boards found on
29
First board
69
Latest board
19
Longest gap, days

It first turned up on Day 29, 18 June 2026. The most recent board was Day 69, 28 July 2026. Nobody has seen it on a board for 33 days.

First ever to find it

hoshichiri

on Day 29, 18 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

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

HORIZONTAL starts with H and ends with L. Sorted, its letters read AHILNOORTZ - the shape to hunt for when the grid is scrambled. O appears more than once. It uses Z - among the least common letters in written English.

Words that start HORIZO

Its neighbours in the OUTLIER dictionary - shortest first.

HORIZONHORIZONSHORIZONALHORIZONLESSHORIZONTALSHORIZONTALLYHORIZONTALITYHORIZONTALITIES

Could you have found HORIZONTAL?

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 29 - and most players walked straight past it.

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