tacenda (n.) things better left unsaid; matters to be passed over in silence Grace just moved back to London, after she lived in New York for four years, where she has been trying to forget her past. Harry's life has been miserable for the last 3 years, while working all the time and shutting all of his friends and family out, he is trying to forget everything that ruined his life. Both of them know that they will eventually have to talk about what happened. But sometimes things are better left unsaid.