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

HYDROFOIL

/ˈhɑe.dɹəˌfoɪl/9 letters

Definition of HYDROFOIL

noun

A wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag.

Wiktionary · CC BY-SA

Where it comes from

From hydro- + foil.

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.

HYDROFOIL in OUTLIER

Players have found it on 14 boards so far. 15 players have found it across Outlier's history.

Day 1Day 109
Its 14 boards, across 109 finished boards · taller bars are busier boards
14
Boards found on
27
First board
109
Latest board
26
Longest gap, days

It first turned up on Day 27, 16 June 2026. The most recent board was Day 109, 6 September 2026. It was on the latest finished board.

First ever to find it

lucasthornsy

on Day 27, 16 June 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

HYDROFOIL
9
Letters
3
Vowels
6
Consonants
8
Different letters
4
Longest consonant run
2
Longest vowel run

HYDROFOIL starts with H and ends with L. Sorted, its letters read DFHILOORY - the shape to hunt for when the grid is scrambled. O appears more than once.

Words that start HYDROF

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found HYDROFOIL?

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 27 - and most players walked straight past it.

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The OUTLIER card for HYDROFOILDownload image