v.1. To intersperse something with something else, especially to make it more exciting, interesting, or colorful: She peppers her stories with interesting details. Our vacation consisted of long days at the beach peppered with exciting trips to the city.
2. To sprinkle liberally with something; dot with something: The kids have peppered the backyard with lost marbles.
3. To be sparsely distributed across something; dot something. Used in the passive: The green plain was peppered with small yellow shrubs.
4. To attack someone or something with or as if with small missiles: The attackers peppered the castle wall with a hail of bullets.