The rare daily word game sweeping the globe. Find what's hidden in plain sight.

FEMTOSECONDS

12 letters

Definition of FEMTOSECONDS

noun

plural of femtosecond

FEMTOSECOND

noun

An SI unit of time equal to 10 seconds. Symbol: fs

Wiktionary · CC BY-SA

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

FEMTOSECONDS in OUTLIER

Players have found it on 1 board so far.

Day 1Day 124
Its one board, across 124 finished boards · taller bars are busier boards
1
Boards found on
124
First board
0
Days since seen

It first turned up on Day 124, 21 September 2026. It was on the latest finished board.

First ever to find it

intrepidwar

on Day 124, 21 September 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

FEMTOSECONDS
12
Letters
4
Vowels
8
Consonants
9
Different letters
3
Longest consonant run
1
Longest vowel run

FEMTOSECONDS starts with F and ends with S. Sorted, its letters read CDEEFMNOOSST - the shape to hunt for when the grid is scrambled. E, O and S appear more than once.

Words that start FEMTOSEC

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found FEMTOSECONDS?

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 124 - and most players walked straight past it.

Play today's OUTLIER

Share FEMTOSECONDS

The OUTLIER card for FEMTOSECONDSDownload image