The rare daily word game sweeping the globe. Find what's hidden in plain sight.
MAST
Definition of MAST
noun
A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instruments, or communications equipment, such as an aerial, usually supported by guy-wires (except in the case of a helicopter).
Wiktionary · CC BY-SA
Where it comes from
From Middle English mast, from Old English mæst (“mast”), from Proto-West Germanic *mast, from Proto-Germanic *mastaz (“mast, sail-pole”), from Proto-Indo-European *mazdos (“pole, mast”). Cognate with Dutch mast, German Mast, and via Indo-European with Latin mālus, Russian мост (most, “bridge”), Irish adhmad.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
4 recorded generations before English.
Deepest traced root
2nd
of 59 source languages in OUTLIER
14.2%
of traced words share this origin (11,595)
How it is built
Same root, MAST · 15 relatives in the game
Its etymology also names Dutch, Irish, Latin, Russian.
Every Proto-Indo-European word → · The Word DNA of OUTLIER →
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
MAST in OUTLIER
Players have found it on 25 boards so far. 62 players have found it across Outlier's history.
It first turned up on Day 19, 8 June 2026. The most recent board was Day 165, 1 November 2026. It was on the latest finished board.
First found by a player on Day 19, 8 June 2026.
Built from these letters
MAST starts with M and ends with T. Sorted, its letters read AMST - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
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 MAST
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 19
Could you have found MAST?
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 19 - and most players walked straight past it.
Play today's OUTLIER