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

KAIZEN

/ˈkaɪˌzən/6 letters

Definition of KAIZEN

noun

A Japanese business practice of continuous improvement in performance and productivity.

Wiktionary · CC BY-SA

Where it comes from

From Japanese 改善 (kaizen かいぜん), from Middle Chinese 改善 (kój-dʒjén) (compare Mandarin gǎishàn 改善), from Old Chinese 改善 (*qˁəʔ-ɡenʔ "to correct errors"), from 改 ("to change") + 善 ("good"). Introduced to English in 1959 by Boyé Lafayette De Mente in his book Japanese Etiquette and Ethics in Business.

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.

KAIZEN in OUTLIER

Players have found it on 1 board so far.

Day 1Day 102
Its one board, across 102 finished boards · taller bars are busier boards
1
Boards found on
68
First board
34
Days since seen

It first turned up on Day 68, 27 July 2026. Nobody has seen it on a board for 34 days.

First ever to find it

blackd20

on Day 68, 27 July 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

KAIZEN
6
Letters
3
Vowels
3
Consonants
6
Different letters
1
Longest consonant run
2
Longest vowel run

KAIZEN starts with K and ends with N. Sorted, its letters read AEIKNZ - the shape to hunt for when the grid is scrambled. No letter is used twice, which makes it an isogram. It uses Z - among the least common letters in written English.

Words that start KAIZEN

Its neighbours in the OUTLIER dictionary - shortest first.

KAIZENS

Could you have found KAIZEN?

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 68 - and most players walked straight past it.

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