The rare daily word game sweeping the globe. Find what's hidden in plain sight.
DECENNIAL
Definition of DECENNIAL
noun
Synonym of decade, a ten-year period.
Wiktionary · CC BY-SA
Where it comes from
From Latin decennialis, from decennium (“10-year period”) + -ālis, from decennis (“10-year”) + -ium (“-ium”, suffix forming abstract nouns), from decem (“ten”) + annus (“year”) + -is (suffix forming compound adjectives).
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
- Latin
- English
One recorded step before English.
Deepest traced root
1st
of 59 source languages in OUTLIER
30.7%
of traced words share this origin (26,419)
branch · 30.7% of traced words
How it is built
Same root, DECENNIAL · 2 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.
DECENNIAL in OUTLIER
Players have found it on 3 boards so far.
It first turned up on Day 166, 2 November 2026. The most recent board was Day 172, 8 November 2026. Nobody has seen it on a board for 4 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
DECENNIAL starts with D and ends with L. Sorted, its letters read ACDEEILNN - the shape to hunt for when the grid is scrambled. E and N appear more than once, including a double letter.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start DECENN
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found DECENNIAL?
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