symptom 2022.12.06 symptomとは 意味・定義・例文 Noun 名詞 1. a sign of an illness 症状 withdrawal symptoms These symptoms are peculiar to cancer. Symptoms within 6-12 hours of ingestion include severe abdominal pain, vomiting, and bloody diarrhea. 2. a slight indication of something 徴候, しるし; 跡