Meaning
兼 (ケン) describes doing two things at once — combining roles, serving dual purposes, holding two posts under one person or object. It shows up most in professional and formal contexts: a manager who oversees two departments, a coat designed for both rain and cold, a greeting that doubles as both thanks and apology.
Look at the character's structure. It depicts two stalks of grain (禾, か) held in a single grip. The upper strokes suggest a hand reaching downward; the two lower structures are the separate plants gathered together. One grasp, two stalks — that image runs through every compound where 兼 appears.
兼 has 10 strokes and is a Jōyō kanji (常用漢字), designated for general use throughout Japan. It typically appears at secondary-education level and above, matching its JLPT N1 designation. Newspapers, business documents, and academic writing all use it regularly, especially when discussing concurrent roles or multi-function objects.
Readings
On'yomi (音読み) — Chinese-derived readings
兼 has one on'yomi: ケン (ken). This reading dominates compound words and formal written Japanese, carrying a more literary register than the kun'yomi form. It is the reading you will encounter most in business and academic contexts.
- 兼業 (kengyō) — side business; a secondary occupation run alongside one's primary work
- 兼任 (kennin) — concurrent appointment; officially holding two posts at the same time
- 兼用 (kenyō) — dual-purpose; an item designed to serve two distinct functions
- 兼備 (kenbi) — to possess both qualities simultaneously
- 兼務 (kenmu) — concurrent duties; formally serving in two capacities at once
Kun'yomi (訓読み) — Native Japanese readings
The kun'yomi is か.ねる (kaneru). This verb has two distinct uses that advanced learners need to keep separate.
Standalone verb: 兼ねる means "to double as" or "to serve both roles at once." A single room can function as bedroom and study; one person can act as director and editor simultaneously.
Suffix (〜かねる): Attached to the conjunctive form of another verb, -かねる signals difficulty, hesitation, or inability. This form is standard in formal refusals and polite correspondence. 申しかねます (mōshikanemasu, "I am unable to say") is among the most common examples in business Japanese.
- 兼ねる (kaneru) — to combine, to serve two purposes, to double as
- 兼ね合い (kaneai) — balance, compromise; the equilibrium between competing priorities
- 兼ねてから (kanete kara) — for quite some time; used in formal greetings to indicate something has long been the case
Common Words & Compounds
兼 spans professional terminology, everyday objects, and classical idioms. Below is a selection organized by usage type.
Professional and Role-related Compounds
- 兼任 (kennin) — concurrent appointment; common in academic departments and corporate structures where one person fills two official roles
- 兼職 (kenshoku) — concurrent position; working an additional job alongside one's primary role
- 兼業 (kengyō) — sideline business; a secondary occupation conducted in parallel with one's main work
- 兼務 (kenmu) — concurrent duties; formally serving in two capacities at the same time
- 兼営 (ken'ei) — running two businesses or services simultaneously
Attribute and Quality Compounds
- 兼備 (kenbi) — possessing two valued qualities at once
- 才色兼備 (saishoku kenbi) — talented and beautiful; a yojijukugo (four-character idiom) for someone who excels in both intellect and appearance
- 文武兼備 (bunbu kenbi) — skilled in both literary and martial arts; a yojijukugo for someone equally strong in academic and physical disciplines
Everyday and Practical Usage
- 兼用 (kenyō) — dual-purpose; a tool, garment, or space serving two functions
- 兼ね合い (kaneai) — balance, compromise; the careful weighing of competing priorities
- 兼ねてから (kanete kara) — for quite some time; a set phrase used in formal greetings
- 兼業農家 (kengyō nōka) — part-time farming household; a family that farms alongside another primary occupation, a key term in discussions of modern rural Japan
Example Sentences
この部屋は寝室と書斎を兼ねています。
Kono heya wa shinshitsu to shosai wo kanete imasu.
This room serves as both a bedroom and a study.
彼女は才色兼備で、社内でも高く評価されている。
Kanojo wa saishoku kenbi de, shanai demo takaku hyōka sarete iru.
She possesses both talent and beauty, and is highly regarded within the company.
部長は営業部長を兼任しています。
Buchō wa eigyō buchō wo kennin shite imasu.
The department head concurrently holds the position of sales manager.
このコートは雨具と防寒に兼用できる。
Kono kōto wa amagu to bōkan ni kenyō dekiru.
This coat can be used for both rain protection and cold weather.
彼の挨拶はお礼とお詫びを兼ねたものでした。
Kare no aisatsu wa orei to owabi wo kaneta mono deshita.
His greeting served as both a thank you and an apology at once.
この件については、何とも申しかねます。
Kono ken ni tsuite wa, nanto mo mōshikanemasu.
Regarding this matter, I am unable to say anything at all.
兼ねてからお会いしたいと思っておりました。
Kanete kara oai shitai to omotte orimashita.
I have been hoping to meet you for quite some time.
兼業農家が増えて、農村の姿が変わってきた。
Kengyō nōka ga fuete, nōson no sugata ga kawatte kita.
As part-time farming households have increased, the face of rural villages has changed.
価格と品質の兼ね合いを考えて選んだ商品だ。
Kakaku to hinshitsu no kaneai wo kangaete eranda shōhin da.
It is a product I chose by carefully balancing price and quality.
Memory Tip
Picture a farmer grabbing two bundles of grain in one hand. The upper strokes of 兼 represent the reaching fingers; the two lower structures are the stalks of 禾 (grain) being pulled together. Neither bundle is dropped — both are held at once.
That image maps directly onto the compounds. 兼任 is holding two roles in one grip. 兼ね合い is the balance required when the two bundles pull in different directions. One hand, two stalks — that's 兼.