blocking, cutting off, interception, isolation

💡 Nuance & Usage: To physically or metaphorically block or cut off something completely (e.g., light, sound, communication, traffic). Often implies a forceful or deliberate action. Can be used as a noun or verb (遮断する). (光、音、交通、通信などを完全に「さえぎり、断つ」こと。意図的な行為を表すことが多い。名詞または動詞「遮断する」として使う)