The rare daily word game sweeping the globe. Find what's hidden in plain sight.
MONOTREME
Definition of MONOTREME
noun
Any of the order Monotremata of mammals that lay eggs and have single orifices for urogenital and digestive functions (cloaca); an echidna, platypus or one of their extinct relatives.
Wiktionary · CC BY-SA
Where it comes from
From mono- (“one”) + -treme (“hole”).
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, MONOTREME · 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.
MONOTREME in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 166, 2 November 2026. Nobody has seen it on a board for 6 days.
First ever to find it
on Day 166, 2 November 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
MONOTREME starts with M and ends with E. Sorted, its letters read EEMMNOORT - the shape to hunt for when the grid is scrambled. M, O and E appear more than once.
Same letters, different word
2 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start MONOTR
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found MONOTREME?
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 166 - and most players walked straight past it.
Play today's OUTLIER