Simple Definition of nerd
: a person who behaves awkwardly around other people and usually has unstylish clothes, hair, etc.
: a person who is very interested in technical subjects, computers, etc.
Examples of nerd in a sentence
He dresses like a nerd.
<was such a nerd in college that she spent Saturday nights at the library>
Origin of nerd
perhaps from nerd, a creature in the children's book If I Ran the Zoo (1950) by Dr. Seuss (Theodor Geisel)
First Known Use: 1951
NERD Defined for Kids
Definition of nerd for Students
1 : a person who is socially awkward, unattractive, or not fashionable
2 : a person who is extremely interested in technical or intellectual subjects
Seen and Heard
What made you want to look up nerd? Please tell us where you read or heard it (including the quote, if possible).