信号

しんごう

traffic lights, signal, semaphore

JLPT N3

Character Breakdown

Meaning and Usage

"信号" (しんごう) primarily refers to traffic lights or signals used to control vehicle and pedestrian movement. It can also mean any kind of signal or semaphore used for communication or control, such as railway signals.

Common Contexts

You will often hear "信号" in everyday situations involving traffic rules, such as stopping at a red light or waiting for a green light. It is also used in technical contexts like train operations.

Collocations and Patterns

  • 信号が赤になる: the signal turns red, indicating to stop.
  • 信号を守る: to obey the signal, emphasizing following traffic rules.
  • 信号を見落とす: to miss or overlook a signal, often leading to accidents.

Register and Politeness

"信号" is a neutral noun used in both formal and informal contexts. It is common in everyday conversation, news reports, and technical discussions.

Common Mistakes

Learners sometimes confuse "信号" with "標識" (ひょうしき), which means traffic signs rather than lights or signals. Remember, "信号" specifically refers to lights or signals that change to direct traffic flow.

Example Sentences

しんごうがあかになったら、かならずとまってください。

Please be sure to stop when the traffic light turns red.

かれはしんごうをみおとしてしまい、じこをおこした。

He missed the signal and caused an accident.

このしんごうはでんしゃのうんこうをせいぎょするためにつかわれています。

This signal is used to control the operation of trains.