nerd /nɜːd $ nɜːrd/ BrE AmE noun [countable] 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 ]
1 . someone who seems only interested in computers and other technical things – used to show disapproval SYN geek :
a computer nerd
2 . someone who seems very boring and unfashionable, and is not good in social situations
—nerdy adjective :
nerdy glasses