The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SERINE
Definition of SERINE
noun
A nonessential amino acid, CH2OH.CH(NH2)COOH, found in most animal proteins, notably silk.
Wiktionary · CC BY-SA
Where it comes from
From Latin sericus (“silken”). The compound was first obtained from silk protein, a particularly rich source, in 1865. See also serge.
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.
SERINE in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 42, 1 July 2026. The most recent board was Day 90, 18 August 2026. Nobody has seen it on a board for 12 days.
First ever to find it
on Day 69, 28 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SERINE starts with S and ends with E. Sorted, its letters read EEINRS - 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.
Words that start SERINE
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 42
Could you have found SERINE?
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 42 - and most players walked straight past it.
Play today's OUTLIER