"summarize" in German to summarize zusammenfassen Detailed translations for "summarize" to summarize to summarize(also: to collect, to subsume sth. under sth., to conflate, to summarise) zusammenfassen{transitive verb} But, um, if you had to summarize your book in 30 words or less... Source: opensubtitles.org Corpus by OPUS Request review Aber, ähm, wenn Sie Ihr Buch in weniger als 30 Wörtern zusammenfassen müssten...