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

COOL

/kuːl/4 letters

Definition of COOL

adjective

Of a mildly low temperature.

Wiktionary · CC BY-SA

Where it comes from

From Middle English cool, from Old English cōl (“cool, cold, tranquil, calm”), from Proto-West Germanic *kōl(ī), from Proto-Germanic *kōluz (“cool”), from *kalaną (“to be cold, to freeze”), Proto-Indo-European *gel- (“to be cold, to freeze”). Cognate with North Frisian kool, koul, kuul, kölj, kööl (“cold”), Saterland Frisian köil (“cool”), West Frisian koel (“cool”), Cimbrian khuul (“chilly, cool”), Dutch koel (“cool”), German kühl (“cool”), Low German köhl (“cool”), Luxembourgish kill (“cool”), Vilamovian kił (“cool”); also Latin gelū, gelum, gelus (“frost; chill, cold”), Belarusian хо́лад (xólad, “cold”), Bulgarian хлад (hlad, “chill, coolness”), Czech chlad (“cold”), Macedonian лад (lad, “shade; coolness”), Polish chłód (“cold”), Russian and Ukrainian хо́лод (xólod, “cold”), Serbo-Croatian хла̑д, hlȃd (“shade”), Sanskrit जड (jaḍa, “cold; stiff”), जल (jala, “water”). Related to cold.

Etymology via 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.

COOL in OUTLIER

Players have found it on 16 boards so far. 25 players have found it across Outlier's history.

Day 1Day 112
Its 16 boards, across 112 finished boards · taller bars are busier boards
16
Boards found on
7
First board
112
Latest board
25
Longest gap, days

It first turned up on Day 7, 28 May 2026. The most recent board was Day 112, 9 September 2026. It was on the latest finished board.

First found by a player on Day 7, 28 May 2026.

Built from these letters

COOL
4
Letters
2
Vowels
2
Consonants
3
Different letters
1
Longest consonant run
2
Longest vowel run

COOL starts with C and ends with L. Sorted, its letters read CLOO - the shape to hunt for when the grid is scrambled. O appears more than once, including a double letter.

Same letters, different word

One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.

Words that start COOL

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found COOL?

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 7 - and most players walked straight past it.

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