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

ULTRASONIC

/ʌltɹəˈsɒnɪk/10 letters

Definition of ULTRASONIC

adjective

Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.

Wiktionary · CC BY-SA

Where it comes from

From ultra- + sonic.

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.

ULTRASONIC in OUTLIER

Players have found it on 19 boards so far. 35 players have found it across Outlier's history.

Day 1Day 95
Its 19 boards, across 95 finished boards · taller bars are busier boards
19
Boards found on
27
First board
93
Latest board
17
Longest gap, days

It first turned up on Day 27, 16 June 2026. The most recent board was Day 93, 21 August 2026. Nobody has seen it on a board for 2 days.

First found by a player on Day 27, 16 June 2026.

Built from these letters

ULTRASONIC
10
Letters
4
Vowels
6
Consonants
10
Different letters
3
Longest consonant run
1
Longest vowel run

ULTRASONIC starts with U and ends with C. Sorted, its letters read ACILNORSTU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

Words that start ULTRAS

Its neighbours in the OUTLIER dictionary - shortest first.

ULTRASULTRASAFEULTRASLOWULTRASOFTULTRASHARPULTRASHORTULTRASLICKULTRASMALLULTRASMARTULTRASOUNDULTRASECRETULTRASIMPLE

Could you have found ULTRASONIC?

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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