Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “be sb's middle name”

be sb's middle name

informal
to be a quality that is an important part of someone's character: Don't worry, I won't tell anyone. Discretion is my middle name.Conditions and characteristics
(Definition of be sb's middle name from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Browse related topics

You are looking at an entry to do with Conditions and characteristics, but you might be interested in these topics from the Being and existing topic area:

Add Cambridge dictionaries to your browser to your website

Translations of “be sb's middle name”

Word of the Day

beer mat

a small piece of cardboard that you put under a glass to protect a table surface in a pub or bar

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