合図

• Reading: あいず
• Romaji: aizu
• Kanji breakdown: 合 (ai) — match, meet; 図 (zu) — diagram, plan
• Pronunciation: /a.i.zɯ/

Meaning

Sign; signal. A prearranged gesture, sound, or action used to communicate a message.

A noun that also functions as a suru verb (合図する). Used for both deliberate signals between people and traffic/safety signals. Can be visual (hand signals), auditory (whistles), or any agreed-upon cue. Often appears in the pattern 合図を送る (to send a signal).

Examples

1. 彼女は目で合図を送ってきた。 She sent me a signal with her eyes.
2. スタートの合図が鳴ったら走ってください。 When the starting signal sounds, please run.
3. 監督が手で合図をした。 The coach gave a signal with his hand.

Usage Guide

Context: sports, daily life, teamwork

Tone: neutral

Origin & History

Compound of 合 (ai, to match/meet) and 図 (zu, diagram/plan). Originally 'matching according to a plan' — a coordinated communication between parties.

Cultural Context

Era: Classical

Generation: All ages

Social background: Universal