The rare daily word game sweeping the globe. Find what's hidden in plain sight.
CHIROPTER
Definition of CHIROPTER
noun
A member of the order Chiroptera, a bat
Wiktionary · CC BY-SA
Where it comes from
Coined by William Whewell in 1840 as an adaptation of Cuvier's coinage, French chiroptère, from Ancient Greek χείρ (kheír, “hand”) + πτερόν (pterón, “wing”), equivalent to chiro- + -pter.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Ancient Greek
- French
- English
2 recorded generations before English.
Deepest traced root
3rd
of 59 source languages in OUTLIER
12.4%
of traced words share this origin (10,337)
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.
CHIROPTER in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 154, 21 October 2026. Nobody has seen it on a board for 15 days.
First ever to find it
on Day 154, 21 October 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
CHIROPTER starts with C and ends with R. Sorted, its letters read CEHIOPRRT - 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.
Words that start CHIROP
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found CHIROPTER?
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 154 - and most players walked straight past it.
Play today's OUTLIER