The rare daily word game sweeping the globe. Find what's hidden in plain sight.
HYPOSTOME
Definition of HYPOSTOME
noun
Any of certain mouth appendages of some insects, arachnids, crustaceans, and hydrozoa; in particular: The ventral mouthpart plate in trilobites; The barbed attachment structure associated with the mouthparts of parasitic arachnids (e.g. ticks); The oral tip surrounded by tentacles in hydrozoan cnidarians.
Wiktionary · CC BY-SA
Where it comes from
From hypo- + -stome.
Etymology via Wiktionary (CC BY-SA).
Word DNA
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.
HYPOSTOME in OUTLIER
Players have found it on 6 boards so far.
It first turned up on Day 72, 31 July 2026. The most recent board was Day 156, 23 October 2026. Nobody has seen it on a board for 6 days.
First ever to find it
on Day 112, 9 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
HYPOSTOME starts with H and ends with E. Sorted, its letters read EHMOOPSTY - the shape to hunt for when the grid is scrambled. O appears more than once.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start HYPOST
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found HYPOSTOME?
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 72 - and most players walked straight past it.
Play today's OUTLIER