geek
noun /ɡiːk/
  /ɡiːk/
(informal)- a person who is boring, wears clothes that are not fashionable, does not know how to behave in social situations, etc. synonym nerd (1)
- a person who is very interested in and who knows a lot about a particular subject synonym nerd (2)- a computer geek
 Oxford Collocations DictionaryGeek is used after these nouns:- computer
- gadget
 
Word Originlate 19th cent.: from the related English dialect word geck ‘fool’, of Germanic origin; related to Dutch gek ‘mad, silly’.