n[C]informal
[Date: 1900-2000; Origin: Probably from nerd, name of a strange creature in If I Ran the Zoo (1950) by Dr. Seuss, U.S. children's writer]
someone who seems only interested in computers and other technical things - used to show disapproval
= geek
　a computer nerd
someone who seems very boring and unfashionable, and is not good at communicating with other people in social situations
>nerdyadj
　nerdy glasses