As far as Japanese suffixes go, "-chan" is a hard one to adequately describe. The canon usage of the word, and the one that anime fans will be most familiar with, is among schoolgirls, but "chan" can be affixed to anyone's name when expressing affection or awe of cuteness. Most of the time, "chan" is used for girls, children, heartthrobs, and other cute machines.

The trick to using "chan" like a true nihonjin is knowing how to abbreviate names. It is horrendously bad linguistic form to affix "chan" to any name over two syllables without cutting off part of the name first. For instance, if you're referring to a girl named Yukiko, do not call her "Yukiko-chan": call her "Yuki-chan."

"Chan" can also be appended to a boy or man's name to express the idea that he's cute. As you might expect, this practice is very common among women, but unheard of among men (who would probably sound very fruity if they tried it). Sakamoto Kyu, for example, was popularly known as "Kyu-chan," and Tsuyoshi Shinjo as "Shin-chan."

In some situations (as in Shinjo's case), "chan" can be affixed to a shortened last name. This is very rare, though, and you'll only hear it if someone has a unique last name. Most of the time, "chan" implies a first name basis, and uses a person's first name.

"Chan" cannot be used in combination with keigo, unless you want to sound like you're stark raving mad. It goes naturally with plain form speech, and on rare occasion (usually when dealing with small children), the polite -masu form. Don't use it on your boss: you won't get any brownie points, unless your boss is looking to get laid.


I used to know a girl named Marcela, who was called "Maruchan" in Japanese... just like the ramen maker. Ha!
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In Japanese, "chan" is generally described as:

ちゃん

(接尾)
(サンの転) 人を表す名詞に付けて、親しみを表す呼び方。
「和子-」「おにい-」

(suffix)
(derived from "san")
Attached to a noun representing a person to indicate intimacy when addressing that person or saying their name.
Examples: Kazuko-chan, oniichan (older brother)

Source: Koujien 4th ed. Translation by myself.

The usage of -chan is perhaps one of the most misunderstood aspects of functional Japanese among students. This is probably because most high-school and university textbooks don't normally touch the subject. This is a very odd omission, considering that -chan continues to be used throughout life, and is very important for use in all sorts of social circles.

In addition to being a diminuitive used by adults to address small children, -chan is used by small children when addressing pretty much everything. Parents are kaa-chan (mommy) and tou-chan (daddy). nii-chan (older brother) and nee-chan (older sister) are not only used for family, but also for any young man or woman. (Note that the honorific o- is often used in conjunction, as in onee-chan.)

This suffix can even be used when children are completely uninvolved. It is often used among close friends, even adults, especially women. It's not uncommon to find at least one "chan" in every Japanese office -- usually the youngest female employee.

In the media, -chan as a suffix for small children in newspaper articles, TV, and radio news. It used to be used well into elementary school ages, but lately, it is being phased out in favor of -san (for girls) and -kun (for boys) starting as young as grade 3.

-chan is often used for nicknames, especially with shortened or changed names, as in Nozomi / Non-chan. It's not unheard of for famous people to be referred to by the media and public in this way. Recent examples include Q-chan (marathon runner Naoko Takahashi) and Yawara-chan (judoka Ryoko Tamura). You needn't be female, or even cute -- Arnold Schwarzenegger is commonly known as Shuwa-chan to Japanese audiences. Let's not forget fictional characters, such as Crayon Shin-chan, Chibi Maruko-chan, and the ubiquitous Kitty-chan (née Kitty White.) Note that this usage is not exclusive to -chan, other suffixes such as -kun, -ko, -han, or no suffix at all are often used.

Common uses include not only people, but also pets, and sometimes personal possessions, such as cars. (My friend calls her Honda Logo "Rogo-chan".)

It also has defacto use as a diminuifier in some compound words, such as "akachan" (baby) and "Botchan" (Young Master).

In Japanese baby-speak, "chan" often becomes "tan".

"chan" is also a variant pronunciation of "chichi" (father), a Japanese reading of the Chinese "Tang" 銭 (as in the dynasty), as well as chian turpentine (a Chinese type of pitch). It's also a common Japanese reading for certain Chinese and Korean family names. (Yes, in this case, they are "Chan-san.")


By the way, the character used for "zen", 禅, is also "chan" (rising tone) in Chinese. This word originates from the Sanskrit "dhyāna", or "meditation".

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