Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “last name”

last name

noun [C]    
the name that you and other members of your family all haveNames and titles
(Definition of last name noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “last name” in other dictionaries

Word of the Day


a person or group who receives money, advantages, etc. as a result of something else

Word of the Day


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