Meaning and Usage
"合図" (あいず) means a sign or signal used to communicate something without words. It can be a gesture, a look, a sound, or any action that conveys a message to others.
Common Contexts
It is often used in situations where people coordinate actions silently or discreetly, such as in sports, performances, or secret communication.
Collocations and Patterns
- 合図を送る: to send a signal
- 合図を出す: to give a sign
- 合図がある: there is a signal
- 合図として: as a signal
Register and Nuance
"合図" is neutral and can be used in both casual and formal contexts. It implies intentional communication, often non-verbal.
Learner Tips
Don’t confuse "合図" with general words for "sign" like "標識" (road sign) or "記号" (symbol). "合図" specifically refers to a communicative signal between people, often subtle or non-verbal.