ずともeven without …ing
The written なくても: even without doing it, the result holds. Outside writing and speeches it lives on in a few phrases, such as 言わずとも分かる, "I can tell without being told".
Even without putting it into words, they understood each other's intentions.
Even without many words, that resolve was plain from the look on their face.
How to form it
Verb ない-form: ない → ずとも する → せずとも
行かない → 行かずとも, 見ない → 見ずとも. する is せずとも, never しずとも, just as with ずに. 来る is 来ずとも.
- After it
- What holds anyway, very often that something can be known or done: 分かる, 伝わる, できる, 済む.
- Where you'll meet it
- Novels, essays, speeches, advertising copy. In conversation only in set phrases, or said for effect.
In use
You can see how it works from this diagram, even without reading the detailed explanation.
The conclusion is clear even without listing every piece of evidence.
My mother knew everything without my saying a word.
言わずとも is the one you are most likely to hear.
ずとも or なくても?
The materials you need can be obtained even without going there.
Written, and a little grand.
The materials you need can be obtained even without going there.
What people say, and write too.
The meaning is the same.
Two set shapes
After a noun, ならずとも is "even if you are not a …". Reviews and advertisements love it: ファンならずとも, "fan or not". And ずともよい is なくてもいい as a lord says it in a period drama.
You don't have to be an expert to see that this decision is dangerous.
You need not worry.
Close neighbours
ずにN3
Plain "without doing": one thing was done and the other wasn't. ずとも says the other isn't needed.
I ran the machine without reading the instructions.
ともN2
The same とも after the く form of an い-adjective: a written "even if". 少なくとも, "at least", is one everybody says.
Even if the road is steep, it is worth going on.
Check yourself
1Which one fits?
彼は
Choose an answer to see why.
2Which means the same?
急が
Choose an answer to see why.
3Which one is right?
無理を
Choose an answer to see why.
More sentences
The result can be estimated from existing data, even without running an experiment.
Even without visiting the site, you can get the outline from the public documents alone.
This measurement is possible even without special equipment.
You can show a strong will without raising your voice.