ubiquitous (adjective)

1. The spread of the Spanish flu in 1918 was a ubiquitous health crisis that affected people around the world.

2. Jeans have become a ubiquitous fashion item, worn by people of all ages and styles.

3. Picasso's artwork is so well-known and ubiquitous that it can be found in museums and galleries worldwide.

4. Red roses are a ubiquitous symbol of love and are often given on Valentine's Day.