自然災害 しぜんさいがい Meanings Noun natural disaster Antonym: 人為災害 (じんいさいがい). Kanji 自 self. Read as シ. 然 -ly. Read as ゼン. 災 disaster. Read as サイ. 害 harm. Read as ガイ. Example sentences 地震や洪水は自然災害です。Earthquakes and floods are natural disasters. Words containing 自然災害 日本自然災害学会 (にっぽんしぜんさいがいがっかい) Japan Society for Natural Disaster Science Jinuma: Japanese Dictionary · Word lists