Definitions

1. adjective

showing an interest in or enjoyment of things that are considered to be unfashionable or intellectually demanding

“The nerdy kid in the class was known for his extensive knowledge of comic books.”

2. adverb

in a nerdy manner

“The professor explained the complex theory in a very nerdy way, but the students were fascinated.”

3. noun

a person who is showily and excessively enthusiastic about something, especially in a way that is considered to be immature or uncool

“The self-proclaimed nerd was known for his extensive collection of vintage video games.”

4. verb

to behave or act in a nerdy manner

“The new employee was accused of nerding out by wearing a superhero costume to the office party.”