The rare daily word game sweeping the globe. Find what's hidden in plain sight.
THACK
Definition of THACK
verb
To strike or thump (someone or something); to thwack.
Wiktionary · CC BY-SA
Where it comes from
From Middle English thakken (“to stroke”), from Old English þaccian (“to touch gently, stroke, tap”), from Proto-West Germanic *þakwōn, from Proto-Germanic *þakwōną (“to touch lightly”), from Proto-Indo-European *teh₂g- (“to touch”). Cognate with Old Dutch þakolōn (“to stroke”), Old Norse þykkr (“a thwack, thump, blow”), Icelandic þjökka, þjaka (“to thwack, thump, beat”), Norwegian tjåka (“to strike, beat”), Latin tangō (“touch”). More at thwack, tangent.
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
THACK in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 103, 31 August 2026. The most recent board was Day 121, 18 September 2026. It was on the latest finished board.
First ever to find it
on Day 103, 31 August 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
THACK starts with T and ends with K. Sorted, its letters read ACHKT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start THACK
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found THACK?
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 103 - and most players walked straight past it.
Play today's OUTLIER