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

PROBE

/pɹəʊb/5 letters

Definition of PROBE

noun

Any of various medical instruments used to explore wounds, organs, etc. An anal probe, a fictional instrument commonly used by aliens on abducted humans.

Wiktionary · CC BY-SA

Where it comes from

For verb: borrowed from Latin probare (“to test, examine, prove”), from probus (“good”). Doublet of prove. For noun: borrowed from Late Latin proba (“a proof”), from probare (“to test, examine, prove”); Doublet of proof. Compare Spanish tienta (“a surgeon's probe”), from tentar (“try, test”); see tempt.

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.

PROBE in OUTLIER

Players have found it on 12 boards so far. 16 players have found it across Outlier's history.

Day 1Day 121
Its 12 boards, across 121 finished boards · taller bars are busier boards
12
Boards found on
30
First board
118
Latest board
34
Longest gap, days

It first turned up on Day 30, 19 June 2026. The most recent board was Day 118, 15 September 2026. Nobody has seen it on a board for 3 days.

First found by a player on Day 30, 19 June 2026.

Built from these letters

PROBE
5
Letters
2
Vowels
3
Consonants
5
Different letters
2
Longest consonant run
1
Longest vowel run

PROBE starts with P and ends with E. Sorted, its letters read BEOPR - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram.

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 PROBE

Its neighbours in the OUTLIER dictionary - shortest first.

PROBEDPROBERPROBESPROBERSPROBEABLEPROBENECIDPROBENECIDS

Could you have found PROBE?

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 30 - and most players walked straight past it.

Play today's OUTLIER

Share PROBE

The OUTLIER card for PROBEDownload image