Definition

A family name or surname, often used to identify a person, especially in historical contexts or as a nickname.

Example

In ancient Rome, a cognomen was often used to indicate a person's family lineage.

Conversation

Did you know that 'Smith' is the most common cognomen in the U.S.?

Really? I had no idea it was that popular!

Yeah, it's interesting how some names stick around for generations as a cognomen.

For sure! I wonder what the story behind my last name is.

Synonyms & Antonyms

Root Explanation

Cognomen → It is formed from "co-" (meaning together) and "nomen" (meaning name). The term originally referred to a name that was added to a person's primary name, indicating a family or lineage, thus representing a name that is associated with others.

Memory Tip

Think of 'together' ('co-') and 'name' ('nomen') to remember that a cognomen is a name that is associated with a family or lineage.

Visually Confused Words