I just finished studying Heisig's "Remembering the Kanji". I would often look up Kanji in order to figure out their meaning when the English keyword was ambiguous. To my surprise, many of the keywords seem to not capture (what I think is) the meaning of the Kanji very well.

For instance, some keywords seem to have been chosen to match compounds containing the Kanji:

  • 発 "discharge" as part of 発射 "shooting/discharge".
    The actual meaning of 発 is probably closer to "emit/depart".
  • 組 "association" as part of 組合 "association/union/guild".
    The actual meaning of 組 is probably closer to "set/group".
  • 旗 "national flag" as part of 国旗 "national flag".
    The actual meaning of 旗 is probably closer to "flag".

I imagine that this might be on purpose, as the book does the same with primitive meanings. For instance, the primitive 艮 "silver" is derived from the Kanji 銀 "silver". However, I feel that both on the primitive and on the Kanji level, this leads to more confusion than it does good, at least for me.

Some keywords seem to have been chosen based on a fairly obscure meaning of the Kanji:

  • 安 "relax" seems to more commonly mean "cheap"
  • 印 "stamp" seems to more commonly mean "mark"
  • 況 "but of course" seems to more commonly mean "condition"

Finally, there are some keyword choices which I simply do not understand at all:

  • RtK is the only source claiming that 氷 means "icicle".
    Instead, it seems to mean "ice" with the word for "icicle" being 氷柱, which would make sense.
  • RtK is the only source claiming that 般 means "carrier".
    Instead, it seems to mean "sort/kind".
  • RtK is the only source claiming that 采 means "grab".
    Instead, it seems to mean "dice" or "form".
  • RtK claims that 娠 means "with child".
    It only appears as part of the compound 妊娠 "conception/pregnancy", so it is hard to tell.

I know that RtK does not set out to teach words or capture all of the possible meanings of a Kanji with a single English keyword. However, I feel like for many Kanji, there would have been better choices than the ones in RtK and that this would help with learning words later. I found the examples above after looking up just a small fraction of the Kanji, so I imagine that there are many more like this. I haven't heard many people complain about this aspect of RtK, so maybe I am thinking about all of this in the wrong way?

Trying to come up with better keywords, I have found it to be incredibly difficult to determine the range of meanings of a Kanji, and even harder to find a principal meaning. Nearly all online dictionaries are based on KANJIDIC, which in turn builds on the RtK keywords. I found this very surprising, given that RtK does not set out or claim to provide definitive meanings for Kanji, so it seemed very unfitting for a general-purpose dictionary. Due to this, the strangely chosen keywords for Kanji like 氷 and 般 are presented as their primary meanings in many dictionaries. Other sources like Duolingo, Wiktionary or the Kyōiku and Jōyō lists on Wikipedia often disagree with no way to tell which is correct. Is there a definitive resource for looking up the meaning of Kanji?

Finally, I have tried to determine the meaning of specific Kanji by looking up all the words written with them on jisho. However, I am not sure if this is a sound approach, as the Japanese word might have existed before the writing, with the Kanji being a merely adequate but not perfect fit for the meaning of the word. For instance, I have found that in the case of 旗, many sources agree on the meaning of the Kanji being "national flag", while its usage in words suggests that it means "flag".

Which brings me to my final question: What determines the meaning of a Kanji? Is it the Japanese words that are written with the Kanji? Is it the Chinese word that the character represents? How do Japanese people know which Kanji to use for which words? Or are all of these issues and questions just a consequence of my misconceptions?

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    I agree with most of what you wrote, but I see 安 more as "calmness of spirit" than "cheap (price)". Probably because of the meanings of words where this kanji appears: 安全, 安心, 安泰, 安静, 治安 etc. In contrast, the only words with the "cheap" meaning with this kanji I know probably are 安い and 安価. Jan 8 at 15:08
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    Commenting since this isn't an answer to the main question. — I last looked at Heisig back in ... 1989 or so? Not sure if later editions changed, but at the time, I found myself increasingly bothered by how arbitrary Heisig's mnemonics were, and how divorced they seemed from the character meanings and derivations. For me personally, I much preferred Kenneth Henshall's Guide to Remembering Japanese Characters. Henshall's explanations seemed much less arbitrary than Heisig's. Jan 8 at 18:05
  • That said, as others have noted, an actual kanji dictionary might be a better resource all around. If you're looking for a hard-copy kanji dictionary for English speakers, the Nelson Kanji Dictionary is one such reference work. There are also now numerous online references as well, both free and for-pay. Jan 8 at 18:07

2 Answers 2


Because 漢字 are not words, it can’t generally be said that they have, by themselves, a meaning. Chinese characters used to function as stand-alone words in classical Chinese, a language that was ‘fossilized’ (as a literary language) already in the 3rd century BCE (whenceforth it only became increasingly different from actual, spoken language). They were pragmatically borrowed into Japanese, where ever there was already a necessity to convey something (e.g. an already-existing Japanese word), so that it’s best to think of 漢字 as ‘pointing at’ a meaning, rather than as a functional system of semantic elements. In other words, the characters are not a part of language; they are used by language. Even in modern Chinese, many characters are no longer used outside of compounds.

About some of the words you mentioned, this is what I can say:

  • 発: used to mean ‘fly forth, send forth’, e.g. to ‘discharge’ an arrow, in Chinese (which is why the traditional character 發 contains 弓 ‘bow’). It was borrowed in Japanese to mean ‘departure’ (e.g. of a train). Evidently, there wasn’t 和語 (native Japanese word) for this meaning, when modern transportation tecnology created the necessity for it, so when life gives you lemons…you take a character meaning ‘discharge’ (in Chinese) and use it metaphorically. But it also appears in 発射 ‘shot, launch’, 勃発 ‘outbreak’ (e.g. of war), where you see the military nature of the 漢字 at play.
  • 安: used to mean ‘peaceful’ in Chinese, and it represented a person kneeling under a roof. It also meant ‘easy/comfortable’. It was borrowed to spell the 和語「やすい」, meaning ‘easy/cheap’. But see also 安心する ‘be at ease, be comforted’. Today, it seems that the character 易い is more often used to spell やすい meaning ‘easy’, whereas 安い is used to spell やすい meaning ‘cheap’. Actually these two are the same 和語, but sometimes, because you have some liberty on how to spell a word, you can use this liberty to convey nuances of meaning or style.
  • 般: originally meant ‘turn around’ in Chinese, and it depicted a boat (舟) being steered. But because the Chinese word sounded very similar to 搬, meaning ‘move, transport’ (note that they have the same 音読み), the character 般 was also employed phonetically in Chinese to write the word 搬. (The radical 扌 was added at a later date, to specify.) 般 was also used phonetically for the word 班 meaning ‘distribute, classify’, which is why it means ‘sort’ in modern Chinese.

Finally, you must realize that the historical development of some 漢字 and of their usage is simply not known. Such is the topic of active research.

  • Any comments about the meaning of 発見? Jan 8 at 15:03
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    @GuiImamura, looking at the NKD entry in Japanese at Kotobank here, the notes explain that the "discover" sense is apparently a Meiji-era repurposing of the older "come into being, come to be seen" sense. Many older (and often obscure) kanji compounds were repurposed or had their meanings expanded in the Meiji era to translate Western works, an extension of the earlier rangaku academic movement to import technical knowledge from abroad. Jan 8 at 19:54
  • Examples of terms reworked during the Meiji era include 社会【しゃかい】, 自由【じゆう】, 経済【けいざい】, 時間【じかん】. Jan 8 at 19:54

There are Japanese kanji dictionaries that will give you the meaning, or meanings, in Japanese of course.

The meaning of an individual kanji is not very important for anything other than helping you remember them in the context of words. In my experience Japanese people aren't even that well aware of the meaning of them in daily use, no more than we are aware of the origins and meanings of the individual alphabet characters, or the etymology of words.

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