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

BUBO

/ˈbjuː.bəʊ/4 letters

Definition of BUBO

noun

An inflamed swelling of a lymph node, especially in the armpit or groin, due to an infection such as bubonic plague, gonorrhea, tuberculosis, or syphilis.

Wiktionary · CC BY-SA

Where it comes from

Late Middle English, from Medieval Latin būbō, from Ancient Greek βουβών (boubṓn, “groin, swelling”).

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.

BUBO in OUTLIER

Players have found it on 3 boards so far. 36 players have found it across Outlier's history.

Day 1Day 111
Its 3 boards, across 111 finished boards · taller bars are busier boards
3
Boards found on
76
First board
111
Latest board
34
Longest gap, days

It first turned up on Day 76, 4 August 2026. The most recent board was Day 111, 8 September 2026. It was on the latest finished board.

First ever to find it

khop

on Day 76, 4 August 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

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

BUBO starts with B and ends with O. Sorted, its letters read BBOU - the shape to hunt for when the grid is scrambled. B appears more than once.

Words that start BUBO

Its neighbours in the OUTLIER dictionary - shortest first.

BUBOEDBUBOESBUBONICBUBONOCELEBUBONOCELES

Could you have found BUBO?

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 76 - and most players walked straight past it.

Play today's OUTLIER

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The OUTLIER card for BUBODownload image