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jisho.org says it is an intransitive verb: http://jisho.org/words?jap=%E6%B8%A1%E3%82%8B&eng=&dict=edict and alc says it is sometimes 自動 and sometimes 他動: http://eow.alc.co.jp/search?q=%E6%B8%A1%E3%82%8B

In either case, the particle を can be used. What's going on here?

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2 Answers 2

This is one of those instances where we as English speakers encounter a term and assume that it matches its English equivalent perfectly, but actually the distinction between transitive and intransitive verbs is a little bit fuzzier than you may have been led to believe. As such this answer may not be very intuitive.

The basic point is that taking a direct object doesn't necessarily mean a verb is transitive. In this dictionary entry for 他動詞:


And the entry for 自動詞:


Basically it's saying that the line is fuzzy in Japanese while there are some clear rules in Western languages.

So what about 渡る, specifically? Why does this fall into that fuzzy category?

Check out this discussion. Examining the definitions a little closer we see that for a verb to be transitive it must be on operation on that object. When you cook rice you are acting on the rice. When you kick a ball you are acting on the ball. But when you cross a bridge, are you acting on the bridge? Are you doing something to it? Not really; the bridge just happens to be where you're walking.

Another way to look at it is to say that the を isn't marking an object but a path. You can find the same kind of misunderstanding with 歩く. When you say 道を歩く, does 歩く become a transitive verb? No, and this site can support that. At the end of the day the operating phrase seems to be "自他の対応がない."

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Yes, in Japanese を might not always be a semantic accusative (marking the thing that's being done). It also marks a sort of locative (mainly a path). –  user54609 Sep 5 '13 at 13:28
Here of course is the linguistic jargon on which I'm not as up to speed as I should be! Thank you –  ssb Sep 5 '13 at 17:25
Couldn't you analyse verbs like this as transitives whose grammatical object is the path being taken? (Obviously it wouldn't be semantically the patient, but grammatical objects don't have to be patients) –  Sjiveru Sep 5 '13 at 20:09
Can we say 道は私に歩かれる? I think it sounds wrong, though I'm not a native speaker or even fluent. –  user54609 Sep 6 '13 at 2:21

You are correct that 渡る is intransitive, 渡す is transitive but it seems you are not familiar with the different uses of the particle を: In addition to being a direct object marker for "handing over things":

拳銃を渡す −hand over a gun

The particle を can also act as a "spatial object marker" for the intransitive forms such as crossing things like bridges:


or as in the sentence

「飛行機が空を飛ぶ」| The plane flies across the sky.

( 飛ぶ also being an intransitive verb)

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