To talk or write about old times, past experiences, etc.... Click for English pronunciations, examples sentences, video. REMINISCED definition: 1. past simple and past participle of reminisce 2. to talk or write about past experiences that you…. Learn more. reminisce (about something/somebody) to think, talk or write about a happy time in your past. We spent a happy evening reminiscing about the past. Definition of reminisce verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Learn the English definition and meaning of Reminiscing with examples, pronunciation, and translations to enhance your vocabulary.