The rare daily word game sweeping the globe. Find what's hidden in plain sight.
PERFIDIOUSLY
Definition of PERFIDIOUSLY
adverb
In a perfidious manner.
Wiktionary · CC BY-SA
Another sense
PERFIDIOUSLY carries a second meaning.
In a perfidious manner; with perfidy; treacherously; traitorously.
Where it comes from
From perfidious + -ly.
Etymology via Wiktionary (CC BY-SA).
Word DNA
How it is built
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
PERFIDIOUSLY in OUTLIER
Players have found it on 22 boards so far. 97 players have found it across Outlier's history.
It first turned up on Day 69, 28 July 2026. The most recent board was Day 135, 2 October 2026. Nobody has seen it on a board for 11 days.
First ever to find it
on Day 69, 28 July 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
PERFIDIOUSLY starts with P and ends with Y. Sorted, its letters read DEFIILOPRSUY - the shape to hunt for when the grid is scrambled. I appears more than once.
Words that start PERFIDIO
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found PERFIDIOUSLY?
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 69 - and most players walked straight past it.
Play today's OUTLIER