The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SIEVERT
Definition of SIEVERT
noun
In the International System of Units, the derived unit of radiation dose: the dose received in one hour at a distance of 1 cm from a point source of 1 mg of radium in a 0.5 mm thick platinum enclosure, which in its biological effects corresponds to several different quantities: equivalent dose, effective dose, and committed dose.
Wiktionary · CC BY-SA
Where it comes from
From Swedish Sievert. Named after the Swedish radiologist Rolf Sievert.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Swedish
- English
One recorded step before English.
Deepest traced root
24th
of 58 source languages in OUTLIER
0.4%
of traced words share this origin (114)
branch · 22.3% of traced words
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
SIEVERT in OUTLIER
Players have found it on 30 boards so far. 55 players have found it across Outlier's history.
It first turned up on Day 18, 7 June 2026. The most recent board was Day 149, 16 October 2026. It was on the latest finished board.
First ever to find it
on Day 18, 7 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SIEVERT starts with S and ends with T. Sorted, its letters read EEIRSTV - the shape to hunt for when the grid is scrambled. E appears more than once.
Same letters, different word
4 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Also seen on Day 18
Could you have found SIEVERT?
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 18 - and most players walked straight past it.
Play today's OUTLIER