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To physically leave an indoor space and enter an outdoor area.
暑いので、エアコンが効いている部屋から外に出ました。
It was hot, so I went outside from the air-conditioned room.
彼は毎日外に出て新鮮な空気を吸っています。
He goes outside every day to breathe fresh air.
To leave one’s home or place of residence to go somewhere else.
仕事が忙しくて、なかなか外に出られません。
I’m so busy with work that I can’t go out much.
休日は外に出て、友達と会うのが好きです。
I like going out and meeting friends on my days off.
外に出る focuses on the physical action of leaving an indoor space, while 外出する implies leaving home or a place of residence for a specific purpose (e.g., shopping, work). For example, 外出する can mean 'to go out for dinner,' whereas 外に出る simply means 'to go outside.'
外に出る should only be used when describing physically leaving an indoor space to go outside. Do not use it for metaphorical meanings like 'to step out of one's comfort zone' unless the context clearly supports it.
The phrase consists of 外 (soto, 'outside') + に (ni, particle indicating direction) + 出る (deru, 'to leave/exit'). The verb 出る (deru) is a common Japanese verb meaning 'to go out', 'to leave', or 'to exit', derived from Old Japanese *ide- (to come out). The combination 外に出る (soto ni deru) literally means 'to exit to the outside', forming a natural phrase for leaving an indoor space.
1. 外に出る is a neutral phrase used in everyday contexts to describe physically leaving an indoor space. It does not imply any specific destination or purpose. 2. In contrast, 外出する (gaishutsu suru) is a more formal verb meaning 'to go out' or 'to leave home', often used in contexts like business or travel. 3. The phrase can be used metaphorically in some contexts (e.g., 'to step out of one’s comfort zone'), but this is less common and context-dependent.