geek

IPA: gˈik

(dated) A carnival performer specializing in bizarre and unappetizing behavior.
(colloquial) A person who is intensely interested in a particular field or hobby and often having limited or nonstandard social skills. Often used with an attributive noun.
(colloquial, by extension) An expert in a technical field, particularly one having to do with computers.
(uncountable, colloquial) The subculture of geeks; an esoteric subject of interest that is marginal to the social mainstream; the philosophy, events, and physical artifacts of geeks; geekness.
(colloquial) An unfashionable or socially undesirable person.
(Australia, colloquial) A look.

(intransitive, colloquial) To enthusiastically engage in geek-like or nerdy interests.
(intransitive, African-American Vernacular, slang) To be nervous or hyperactive due to using crack cocaine.
(Cornwall) To look; to peep; to stare about intently.

Examples of "geek" in Sentences

The term geek is characterized by extreme passion for, and expertise, in an unexpected specialization.
The one thing that is clear the moment you arrive at the Maker Faire is that the term 'geek' has gone mainstream.
"It is not just the word geek, it is the word geek with orange and black coloration" that puts Newegg over the line, says a Best Buy spokeswoman.
And now being a geek is about to get even better, with the launch of THE GEEK'S GUIDE TO THE GALAXY podcast, the indispensable news and talk show for geeks everywhere.
Hence, the term geek—the “fool” from five centuries back, later disdained in circuses as the lowest of the low—has become the badge worn proudly by the virtuosos of the Virtual Generation.
Personally I'm more of a science fiction kind of guy, some may prefer the term geek, but I don't think the Force would be with me if I suggested a photo shoot with Darth Vader and his Stormtroopers.