be sb's middle name
informalto 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.
Thesaurus: synonyms and related words
Conditions and characteristics
- -ance
- -ancy
- -ness
- ability
- ambience
- attribute
- character
- complexion
- condition
- detail
- feature
- hallmark
- lineament
- local colour
- middle name
- mien
- nature
- resonate
- smack
- tenor
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