懐旧 かいきゅう Meanings Noun reminiscence; nostalgia; thinking fondly of the past; recalling the old days Kanji 懐 pocket. Read as カイ. 旧 former. Read as キュウ. Words containing 懐旧 懐旧談 (かいきゅうだん) reminiscences Jinuma: Japanese Dictionary · Word lists