The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PLECO
Definition of PLECO
noun
Any of several tropical American fish, of the family Loricariidae, popular in aquaria for their ability to clean tanks by eating algae growth.
Wiktionary · CC BY-SA
Where it comes from
Shortened from plecostomus, from translingual Plecostomus.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
Same root, PLECO · 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.
PLECO in OUTLIER
Players have found it on 16 boards so far. 19 players have found it across Outlier's history.
It first turned up on Day 27, 16 June 2026. The most recent board was Day 170, 6 November 2026. It was on the latest finished board.
First ever to find it
on Day 27, 16 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PLECO starts with P and ends with O. Sorted, its letters read CELOP - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start PLECO
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 27
Could you have found PLECO?
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 27 - and most players walked straight past it.
Play today's OUTLIER