Translation guide
The English word 'intrusion' covers a range of situations from physical trespassing to unwanted interference in personal matters. Japanese expresses these ideas with different words depending on the context, such as entering a place without permission, interrupting a conversation, or violating privacy.
Describing the act of entering a place where one is not welcome or allowed, such as a building, land, or restricted area.
The most direct and common word for physical intrusion, trespassing, or breaking into a place. Used for both people and things (e.g., hackers, animals).
不審者が家に侵入した。
A suspicious person intruded into the house.
コンピューターへの不正侵入が増えている。
Unauthorized intrusions into computers are increasing.
Legal term for trespassing or unlawful entry. Often used in formal or legal contexts.
彼は不法侵入で逮捕された。
He was arrested for trespassing.
Forcing one's way in, barging in, often in a disruptive or violent manner. Used for people storming into a room or event.
会議中に男が乱入してきた。
A man barged into the meeting.
Describing the act of intruding into someone's private life, personal space, or affairs without invitation.
Interference, meddling, or intrusion into someone's affairs. Commonly used for unwanted involvement in personal matters.
親の過干渉が子供の自立を妨げる。
Excessive parental intrusion hinders children's independence.
私の私生活に干渉しないでください。
Please don't intrude into my private life.
Intervention or stepping in, often with a nuance of intruding into a situation where one is not wanted. Can be used for personal matters or larger-scale interference.
Meddling, nosiness, or unwanted help. Describes the act of intruding into someone's business under the guise of being helpful. Often used in casual contexts.
To step into or enter, often used in the negative form to mean 'do not intrude' into someone's private affairs or territory.
Describing an intrusion that disrupts peace, quiet, or an ongoing process.
Obstruction, disturbance, or interference. Used when an intrusion disrupts an activity, such as noise disturbing sleep or work.
騒音が睡眠を妨害した。
The noise intruded on my sleep.
Hindrance, nuisance, or disturbance. Commonly used in daily conversation when someone or something intrudes on one's time, space, or activity.
お邪魔してすみません。
Sorry for intruding (disturbing you).
Referring to the geological process where magma pushes into existing rock formations.
Technical term for geological intrusion. Used in earth science contexts.
花崗岩はマグマの貫入によって形成される。
Granite is formed by the intrusion of magma.
侵入 is for physical trespassing (into a place). 干渉 is for meddling in personal affairs. 介入 is for stepping into a situation, often with a stronger sense of active involvement, and can be used for both personal and larger-scale interference (e.g., government intervention).
Do not use 侵入 for non-physical intrusions like privacy violations or interruptions. For privacy, use 干渉 or 介入; for interruptions, use 妨害 or 邪魔.
他人の家庭問題に介入すべきではない。
You shouldn't intrude into other people's family problems.
お節介はやめてくれ。
Stop intruding (meddling).
It's better not to intrude into his past.
Don't intrude on my work.