The rare daily word game sweeping the globe. Find what's hidden in plain sight.
KAIROMONE
Definition of KAIROMONE
noun
Any substance produced by an individual of one species (often an insect) that benefits the recipient which is of a different species but is harmful to the producer.
Wiktionary · CC BY-SA
Where it comes from
Blend of Ancient Greek καιρός (kairós, “advantage; profit”, noun) + English pheromone, coined in the 1970 article “Allomones and Kairomones: Transspecific Chemical Messengers” by the American geneticist William Lacy Brown, Jr. (1913–1991), the German-American ecologist and entomologist Thomas Eisner (1929–2011), and the American ecologist Robert Harding Whittaker (1920–1980) which was published in BioScience: see the quotation.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- German
- Ancient Greek
- English
2 recorded generations before English.
Deepest traced root
8th
of 59 source languages in OUTLIER
3.3%
of traced words share this origin (2,773)
branch · 22.6% of traced words
How it is built
Same root, KAIROMONE · 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.
KAIROMONE in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 121, 18 September 2026. Nobody has seen it on a board for 47 days.
First ever to find it
on Day 121, 18 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
KAIROMONE starts with K and ends with E. Sorted, its letters read AEIKMNOOR - the shape to hunt for when the grid is scrambled. O appears more than once.
Could you have found KAIROMONE?
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 121 - and most players walked straight past it.
Play today's OUTLIER