The rare daily word game sweeping the globe. Find what's hidden in plain sight.
COSTLIER
Definition of COSTLIER
adjective
comparative form of costly: more costly
Wiktionary · CC BY-SA
Word DNA
COSTLIER inherits its ancestry from its root, COSTLY.
Line of descent
- Middle English
- English
One recorded step before English.
Deepest traced root
4th
of 59 source languages in OUTLIER
6.1%
of traced words share this origin (5,012)
branch · 22.6% of traced words
How it is built
Same root, COSTLY · 2 relatives 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.
COSTLIER in OUTLIER
Players have found it on 19 boards so far. 25 players have found it across Outlier's history.
It first turned up on Day 63, 22 July 2026. The most recent board was Day 164, 31 October 2026. It was on the latest finished board.
First ever to find it
on Day 63, 22 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
COSTLIER starts with C and ends with R. Sorted, its letters read CEILORST - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
3 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start COSTLI
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found COSTLIER?
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 63 - and most players walked straight past it.
Play today's OUTLIER