Teem with Definition 1 of 2Pro Tip 1/3Nature Scenes Often used to describe natural environments rich with organisms. The rainforest teems with diverse species. Pro Tip 2/3Positive Vibrancy Implies a lively and vibrant atmosphere, usually positive. The festival teemed with energy and color. Pro Tip 3/3Creativity Abounds Used metaphorically to suggest plentiful ideas or opportunities. Her mind teemed with creative concepts for the project.