The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PTEROID
Definition of PTEROID
noun
A bone, found only in pterosaurs, that connected to the wrist to support the propatagium.
Wiktionary · CC BY-SA
Where it comes from
From Ancient Greek πτερόν (pterón, “wing”) + -oid; by surface analysis, pter(o)- + -oid.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Ancient Greek
- English
One recorded step before English.
Deepest traced root
3rd
of 59 source languages in OUTLIER
12.4%
of traced words share this origin (10,655)
branch · 12.4% 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.
PTEROID in OUTLIER
Players have found it on 12 boards so far. 12 players have found it across Outlier's history.
It first turned up on Day 123, 20 September 2026. The most recent board was Day 176, 12 November 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 123, 20 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PTEROID starts with P and ends with D. Sorted, its letters read DEIOPRT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
4 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Could you have found PTEROID?
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 123 - and most players walked straight past it.
Play today's OUTLIER