Dictionary.com
Thesaurus.com

middle name

American  

noun

middle names plural
  1. the part of a person's name occurring between the first and family names, as a second given name or a maternal surname.


middle name British  

noun

  1. a name between a person's first name and surname

  2. a characteristic quality for which a person is known

    caution is my middle name

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of middle name

An Americanism dating back to 1825–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Zedxion was registered in 2021 to a central London address with Zanjani as director, under his middle name Morteza, according to Companies House, the U.K.’s company register.

From The Wall Street Journal May 4, 2026

Stella's daughter, Caitlin-Rose, and Bob's daughter Caitlin, whose middle name is Rose, both set off for school and never came home.

From BBC Mar. 27, 2026

Fernanda asked to be identified by only her middle name because of her immigration status.

From Salon Mar. 24, 2026

“Even minor changes, such as to a middle name or abbreviation, can cause processing issues,” says Elizabeth Young, director of tax practice at the American Institute of CPAs.

From The Wall Street Journal Mar. 20, 2026

Every time I see her she's got a new middle name for herself.

From "The Catcher in the Rye" by J. D. Salinger

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training