Translation guide
How to express that something happens or exists alone, without help, or automatically in Japanese.
Describing that something exists or happens without other things or people.
Literally 'with just that', used to mean 'by itself' or 'on its own' when something is sufficient or happens without anything else.
This dish is delicious by itself.
Expressing that a process or action occurs without external assistance or control.
The standard way to say 'automatically' or 'by itself', used for machines, systems, or processes.
Referring to something considered separately from other things.
Means 'in itself' or 'by itself', used to consider something independently.
Directly translating 'by itself' as 「によってそれ自身」 is unnatural. Use the phrases above depending on context.
Means 'alone' or 'independently', often used in formal or technical contexts.
This machine operates by itself.
Means 'by itself' or 'automatically', often for things that happen without human intervention, sometimes with a sense of spontaneity.
The door opened by itself.
Means 'naturally' or 'by itself', used when something happens without external force or effort.
The wound healed by itself.
The computer updates by itself.
Means 'on its own' or 'without permission', often with a nuance of doing something arbitrarily or without asking.
The app started by itself.
Literally 'even if left alone', used to mean that something will happen by itself without intervention.
This plant grows by itself.
The word has no meaning by itself.
Means 'as a standalone unit', often used for objects or components.
This part doesn't function by itself.