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

QUACK

/kwæk/5 letters

Definition of QUACK

noun

The vocalisation made by a duck.

Wiktionary · CC BY-SA

Where it comes from

From Middle English *quacken, queken (“to croak like a frog; make a noise like a duck, goose, or quail”), from quack, qwacke, quek, queke (“quack”, interjection and noun), also kek, keke, whec-, partly of imitative origin and partly from Middle Dutch quacken (“to croak, quack”), from Old Dutch *kwaken (“to croak, quack”), from Proto-West Germanic *kwakōn, from Proto-Germanic *kwakaną, *kwakōną (“to croak”), of imitative origin. Cognate with Saterland Frisian kwoakje, kwaakje (“to quack”), Middle Low German quaken (“to quack, croak”), German quaken (“to quack, croak”), Danish kvække (“to croak”), Swedish kväka (“to croak, quackle”), Norwegian kvekke (“to croak”), Icelandic kvaka (“to twitter, chirp, quack”).

Etymology via Wiktionary (CC BY-SA).

Word DNA

Line of descent

  1. Proto-Germanic
  2. Middle Dutch
  3. Middle English
  4. English

3 recorded generations before English.

Proto-Germanic

Deepest traced root

6th

of 59 source languages in OUTLIER

4.7%

of traced words share this origin (3,888)

Germanic

branch · 22.6% of traced words

How it is built

noun1 syllablewhec-

Same root, QUACK · 13 relatives in the game

Its etymology also names Danish, Icelandic, Middle Low German, Norwegian, Swedish.

Every Proto-Germanic word → · 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.

QUACK in OUTLIER

Players have found it on 11 boards so far. 69 players have found it across Outlier's history.

Day 1Day 166
Its 11 boards, across 166 finished boards · taller bars are busier boards
11
Boards found on
23
First board
164
Latest board
38
Longest gap, days

It first turned up on Day 23, 12 June 2026. The most recent board was Day 164, 31 October 2026. Nobody has seen it on a board for 2 days.

First found by a player on Day 23, 12 June 2026.

Built from these letters

QUACK
5
Letters
2
Vowels
3
Consonants
5
Different letters
2
Longest consonant run
2
Longest vowel run

QUACK starts with Q and ends with K. Sorted, its letters read ACKQU - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram. It uses Q - among the least common letters in written English.

Words that start QUACK

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found QUACK?

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 23 - and most players walked straight past it.

Play today's OUTLIER