Geek: meaning, definitions and examples

Often used to describe someone who is very passionate and knowledgeable about a specific topic, especially in pop culture or technology. It can have a positive or neutral connotation, depending on the context.

• He's such a movie geek; he knows everything about films and directors

Usually refers to someone who is very intelligent and interested in academic or intellectual pursuits, especially in science and technology. It can have a slightly negative or teasing connotation but is also embraced by some people.

• He's such a math nerd; he spends hours solving complex equations

Specifically used for someone who is very skilled and knowledgeable about technology and gadgets. This term is often used in professional or hobbyist contexts related to tech.

• She's a real techie; she always has the latest gadgets and knows how they work

Describes someone who is very passionate and interested in a particular activity or subject. This term is generally positive and can apply to a wide range of interests.

• She's a fitness enthusiast; she goes to the gym every day

Used to describe someone who is very interested and knowledgeable about a particular subject, especially technology or pop culture. It can have a slightly negative connotation if seen as overly obsessive.

• He is a computer geek who builds his own PCs.
• She's such a geek about comic books, she knows every character by heart.

Indicates a person with extreme and intense enthusiasm for a particular thing, often viewed negatively as being overly obsessive and unreasonable.

• He is a sports fanatic and never misses a game.
• She can be a bit of a health food fanatic, avoiding anything that isn't organic.

Describes someone who is very interested in a particular activity or subject. It is a neutral term and can be used for a wide range of interests.

• She is a photography enthusiast who spends weekends taking pictures of landscapes.
• He's a car enthusiast and loves going to auto shows.

Represents a person who is very knowledgeable and enthusiastic about a particular subject, often used in a more positive and sophisticated context, such as art, wine, or music.

• He is an aficionado of classical music and attends concerts regularly.
• As a wine aficionado, she can distinguish between the finest vintages.