The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RUBBER
Definition of RUBBER
noun
Pliable material derived from the sap of the rubber tree; a hydrocarbon biopolymer of isoprene.
Wiktionary · CC BY-SA
Where it comes from
From rub + -er. The sense of the substance comes from its ability to function as an eraser, displacing earlier caoutchouc. The senses not pertaining to rubbing or erasing are secondarily derived from the name of the substance.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, RUB · 11 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.
RUBBER in OUTLIER
Players have found it on 2 boards so far.
It first turned up on Day 151, 18 October 2026. The most recent board was Day 153, 20 October 2026. Nobody has seen it on a board for 16 days.
First found by a player on Day 151, 18 October 2026.
Built from these letters
RUBBER starts with R and ends with R. Sorted, its letters read BBERRU - the shape to hunt for when the grid is scrambled. R and B appear more than once, including a double letter.
Words that start RUBBER
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found RUBBER?
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 151 - and most players walked straight past it.
Play today's OUTLIER