I'm giving you the meaning of the word directly from a dictionary: Nerd: 1.An insignificant student who is ridiculed as being affected or boringly studious 2.An intelligent but single-minded expert in a particular technical field or profession 3.Someone considered boring because of their obsessive hobby or narrow solitary interests Geek: 1.A person with an unusual or odd personality 2.A knowledgeable and obsessive computer enthusiast 3.A carnival performer who does disgusting acts So basically nerd = someone that studies way too much, don't go out etc.., while geek is someone that acts weird. I think that explains it in detail :) Please comment