The rare daily word game sweeping the globe. Find what's hidden in plain sight.
FILIBUSTER
Definition of FILIBUSTER
noun
A mercenary soldier; a freebooter; specifically, a mercenary who travelled illegally in an organized group from the United States to a country in Central America or the Spanish West Indies in the mid-19th century seeking economic and political benefits through armed force.
Wiktionary · CC BY-SA
Where it comes from
Borrowed from Spanish filibustero (“pirate”), from French flibustier, ultimately from Dutch vrijbuiter (“freebooter”), from vrij (“free”) + buit (“booty”) + -er (“agent”). The alteration in the first syllable in French is due to the word's being somewhat conflated with vlieboot (“light, flat-bottomed cargo vessel with two or three masts”) when it was borrowed into French or another language from Dutch. The word is cognate and analogous to English freebooter.
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
3 recorded generations before English.
Deepest traced root
15th
of 58 source languages in OUTLIER
0.8%
of traced words share this origin (230)
branch · 22.3% of traced words
How it is built
Same root, FILIBUSTER · 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.
FILIBUSTER in OUTLIER
Players have found it on 37 boards so far. 132 players have found it across Outlier's history.
It first turned up on Day 24, 13 June 2026. The most recent board was Day 138, 5 October 2026. Nobody has seen it on a board for 9 days.
First ever to find it
on Day 24, 13 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
FILIBUSTER starts with F and ends with R. Sorted, its letters read BEFIILRSTU - the shape to hunt for when the grid is scrambled. I appears more than once.
Words that start FILIBU
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 24
Could you have found FILIBUSTER?
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 24 - and most players walked straight past it.
Play today's OUTLIER