The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PTEROSAUR
Definition of PTEROSAUR
noun
Any flying reptile, of the extinct order †Pterosauria, including the pterodactyls.
Wiktionary · CC BY-SA
Where it comes from
From ptero- + -saur, literally “wing lizard”, from Ancient Greek πτερόν (pterón, “feather, wing”) and σαῦρος (saûros, “lizard, reptile”).
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Ancient Greek
- English
One recorded step before English.
Deepest traced root
2nd
of 58 source languages in OUTLIER
12.6%
of traced words share this origin (3,672)
branch · 12.6% of traced words
How it is built
Same root, PTEROSAUR · 1 relative in the game
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
PTEROSAUR in OUTLIER
Players have found it on 2 boards so far. 14 players have found it across Outlier's history.
It first turned up on Day 138, 5 October 2026. The most recent board was Day 140, 7 October 2026. Nobody has seen it on a board for 7 days.
First ever to find it
on Day 138, 5 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PTEROSAUR starts with P and ends with R. Sorted, its letters read AEOPRRSTU - the shape to hunt for when the grid is scrambled. R 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.
Could you have found PTEROSAUR?
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 138 - and most players walked straight past it.
Play today's OUTLIER