middle initial

Between first, last

A middle initial is the first letter of a person's middle name, used in formal or official contexts: John F. Kennedy, Susan B. Anthony.

Middle initials help distinguish people with common names and add a note of formality or gravitas.

In American usage, they appear on legal documents, bylines, and professional signatures.

Related

legal document · abbreviation · monogram · letter · name · dot · patronymic · naming convention · birth certificate · passport · alias · social security number · driver's license · ID card · medical record · tax return · cultural identity · John Q. Public

Opposites
name component position

middle initialsurname

Hereditary family identifier

last name · first name · given name · family name · prefix

abbreviation vs. full form

middle initialmiddle name

Given but not primary

Family

middle, initial, middles, middling, initials, initially, initiate, initiated, initiates

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Known to kids · Timeless · Concrete · Everyday, not technical · Rated G