The rare daily word game sweeping the globe. Find what's hidden in plain sight.
REACTION
Definition of REACTION
noun
An action or statement in response to a stimulus or other event.
Wiktionary · CC BY-SA
Where it comes from
Inherited from Middle English reaccion, from Old French reaction, from Latin reāctiō, from the verb reagō, from re- (“again”) + agō (“to act”); more at re-, action; equivalent to react + -ion.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
3 recorded generations before English.
Deepest traced root
1st
of 59 source languages in OUTLIER
30.6%
of traced words share this origin (24,861)
branch · 30.6% of traced words
How it is built
Same root, REACTION · 4 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.
REACTION in OUTLIER
Players have found it on 23 boards so far. 26 players have found it across Outlier's history.
It first turned up on Day 3, 24 May 2026. The most recent board was Day 164, 31 October 2026. It was on the latest finished board.
First found by a player on Day 3, 24 May 2026.
Built from these letters
REACTION starts with R and ends with N. Sorted, its letters read ACEINORT - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Same letters, different word
4 other words use exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start REACTI
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 3
Could you have found REACTION?
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 3 - and most players walked straight past it.
Play today's OUTLIER