The rare daily word game sweeping the globe. Find what's hidden in plain sight.
WHISTLER
Definition of WHISTLER
noun
Someone or something that whistles, or who plays a whistle as a musical instrument.
Wiktionary · CC BY-SA
Where it comes from
From Middle English whisteler, whistlar, whystelare, from Old English hwistlere (“a player on a flute; a piper”), equivalent to whistle + -er.
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
WHISTLER in OUTLIER
Players have found it on 40 boards so far. 84 players have found it across Outlier's history.
It first turned up on Day 18, 7 June 2026. The most recent board was Day 98, 26 August 2026. It was on the latest finished board.
First found by a player on Day 18, 7 June 2026.
Built from these letters
WHISTLER starts with W and ends with R. Sorted, its letters read EHILRSTW - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
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 WHISTL
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 18
Could you have found WHISTLER?
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 18 - and most players walked straight past it.
Play today's OUTLIER