証しょう人にんしょうにんCommon wordJLPTN1Freq.FrequencyTop 10,000Meanings1nounwitnessA person who gives evidence in court or attests to a fact. Also used in legal and formal contexts.裁さい判ばんで証しょう人にんが証しょう言げんした。The witness testified in court.契けい約やくの際さいに証しょう人にんが必ひつ要ようです。A witness is required when signing the contract.