Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “nerd”

nerd

noun [C]  /nɜrd/ infml us  
a person who lacks social skills, esp. someone interested in technical things: Gina’s brother is a complete nerd.
nerdy
adjective  /ˈnɜrd·i/ us  
infml He was a short, nerdy guy with glasses.
(Definition of nerd from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of nerd?
Add Cambridge dictionaries to your browser to your website

Definitions of “nerd” in other dictionaries

Word of the Day

aptitude

a natural ability or skill

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More