The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERFIDY
Definition of PERFIDY
noun
A state or act of violating faith or allegiance; violation of a promise or vow, or of trust.
Wiktionary · CC BY-SA
Where it comes from
From Middle French perfidie, from Latin perfidia from perfidus (“faithless, treacherous, false”), from fides (“faith”); related to, for example, English fidelity.
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.
PERFIDY in OUTLIER
Players have found it on 45 boards so far. 496 players have found it across Outlier's history.
It first turned up on Day 19, 8 June 2026. The most recent board was Day 100, 28 August 2026. It was on the latest finished board.
First ever to find it
on Day 19, 8 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PERFIDY starts with P and ends with Y. Sorted, its letters read DEFIPRY - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.
Words that start PERFID
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 19
Could you have found PERFIDY?
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 19 - and most players walked straight past it.
Play today's OUTLIER