nerd
n. countablen. someone who is very interested in a specific subject and knows a lot about it. It is often used for people who love computers, science, or books.
n. a person who is extremely enthusiastic about a specific technical or academic subject, often to the exclusion of social activities. While historically derogatory, it is frequently used as a self-identifier or a term of endearment within specific communities.
He is a total computer nerd who builds his own machines.
You don't have to be a math nerd to enjoy solving these logic puzzles.
The documentary explores how the once-mocked computer nerd became the architect of the modern digital economy, shifting the cultural perception of technical expertise.
Unknown. Attested since 1951 as US student slang. * Perhaps an alteration of nerts (“nuts", "crazy”); see references below. * The word, capitalized, appeared in 1950 in Dr. Seuss’s If I Ran the Zoo as the name of an imaginary animal: *: And then, just to show them, I’ll sail to Katroo / And bring back an It-Kutch, a Preep and a Proo, / A Nerkle, a Nerd and a Seersucker too! * Possibly a rebracketing of inert as a nert, as in he's inert = he's a nerd, in reference to one's lack of competence or athletic ability. * Various unlikely folk etymologies and less likely backronymic speculations also exist.
Commonly used as a modifier before another noun (e.g., 'history nerd', 'theater nerd') to specify the area of interest.