The rare daily word game sweeping the globe. Find what's hidden in plain sight.
KLYSTRON
Definition of KLYSTRON
noun
an electron tube used to amplify microwave-frequency electromagnetic radiation.
Wiktionary · CC BY-SA
Where it comes from
From Ancient Greek κλύδων (klúdōn, “surf”) + -τρον (-tron).
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.
KLYSTRON in OUTLIER
Players have found it on 17 boards so far. 17 players have found it across Outlier's history.
It first turned up on Day 40, 29 June 2026. The most recent board was Day 110, 7 September 2026. Nobody has seen it on a board for 1 day.
First found by a player on Day 40, 29 June 2026.
Built from these letters
KLYSTRON starts with K and ends with N. Sorted, its letters read KLNORSTY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start KLYSTR
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 40
Could you have found KLYSTRON?
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 40 - and most players walked straight past it.
Play today's OUTLIER