The rare daily word game sweeping the globe. Find what's hidden in plain sight.
UNDERFILLS
Definition of UNDERFILLS
verb
third-person singular simple present indicative of underfill
Wiktionary · CC BY-SA
Word DNA
UNDERFILLS inherits its ancestry from its root, UNDERFILL.
How it is built
Same root, UNDERFILL · 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.
UNDERFILLS in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 173, 9 November 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 173, 9 November 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
UNDERFILLS starts with U and ends with S. Sorted, its letters read DEFILLNRSU - the shape to hunt for when the grid is scrambled. L appears more than once, including a double letter.
Words that start UNDERF
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found UNDERFILLS?
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 173 - and most players walked straight past it.
Play today's OUTLIER