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

FLATTEST

8 letters

Definition of FLATTEST

adjective

superlative form of flat: most flat

FLAT

adjective

Having no variations in height.

Wiktionary · CC BY-SA

Word DNA

FLATTEST inherits its ancestry from its root, FLAT.

Line of descent

  1. Proto-Indo-European
  2. Proto-Germanic
  3. Old Norse
  4. Middle English
  5. English

4 recorded generations before English.

Proto-Indo-European

Deepest traced root

2nd

of 59 source languages in OUTLIER

14.3%

of traced words share this origin (11,343)

How it is built

adjective

Same root, FLAT · 17 relatives in the game

Its etymology also names Ancient Greek, Danish, French, Norwegian, Sanskrit, Swedish.

Every Proto-Indo-European word → · The Word DNA of OUTLIER →

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.

FLATTEST in OUTLIER

Players have found it on 1 board so far.

Day 1Day 160
Its one board, across 160 finished boards · taller bars are busier boards
1
Boards found on
148
First board
12
Days since seen

It first turned up on Day 148, 15 October 2026. Nobody has seen it on a board for 12 days.

First ever to find it

teaandyarn

on Day 148, 15 October 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

FLATTEST
8
Letters
2
Vowels
6
Consonants
6
Different letters
2
Longest consonant run
1
Longest vowel run

FLATTEST starts with F and ends with T. Sorted, its letters read AEFLSTTT - the shape to hunt for when the grid is scrambled. T appears more than once, including a double letter.

Words that start FLATTE

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found FLATTEST?

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 148 - and most players walked straight past it.

Play today's OUTLIER