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).
Word DNA
Line of descent
- Latin
- Middle French
- English
2 recorded generations before English.
Deepest traced root
1st
of 58 source languages in OUTLIER
33.1%
of traced words share this origin (9,633)
branch · 33.1% of traced words
How it is built
Same root, PERFIDY · 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.
PERFIDY in OUTLIER
Players have found it on 68 boards so far. 745 players have found it across Outlier's history.
It first turned up on Day 19, 8 June 2026. The most recent board was Day 144, 11 October 2026. Nobody has seen it on a board for 1 day.
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