さいがいわりましとくやく 災害割増特約 LinksSentence search for 災害割増特約Sentence search for さいがいわりましとくやくKanji details for 災, 害, 割, 増, 特 and 約Edit in JMdict Noun1. accidental death rider; AD; accidental death benefit riderinsurance term Discussions Log in to talk about this word.