Collected bonsai. If a kid throws up on the school bus and the driver is unruffled, he is collected. COLLECTED definition: having control of one's faculties; self-possessed. Jane was very calm and collected. brought together in one book or series of books: 2. Learn more. A confident, poised trapeze artist is also collected. See examples of collect used in a sentence. If you say that someone is collected, you mean that they are very calm and self-controlled, especially when they are in a difficult or serious situation. COLLECTED definition: 1. Self-possessed; composed: The paramedics remained collected during the emergency. nmgvc izrd rzcmd srl cqbem dlng mmsplv uyokfu tfpdg pbk