DBA

¹ American  

Or dba,

abbreviation

1. doing business as: DBA often precedes the name under which a business operates that is not the legal name of the business. Individuals who have not incorporated can also use such a name to carry out business activities. Many states and counties require the registration of the name.

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noun

1.  assumed business name,.   fictitious name.  a name other than a company's legal name that is used to carry out business activities.

   She ran her home business using the DBA “Betty's Bargains.”

dBa ² American  

Or dba

1. decibels above reference noise, adjusted.

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D.B.A. ³ American  

abbreviation

1. Doctor of Business Administration.

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Etymology

Origin of DBA

First recorded in 1920–25

Example Sentences

Newton said DBA has just surpassed a key technical resistance level, after breaking out of a trendline in early February.

From MarketWatch • Mar. 6, 2026

In the handful of meetings I shadow, nearly all of the UTA and DBA employees are women.

From The Wall Street Journal • Mar. 4, 2026

The group moved from Los Feliz to the larger DBA nightclub in West Hollywood, where Demi Moore’s daughter, Rumer Willis, joined the cast.

From Los Angeles Times • Mar. 4, 2025

The DBA at CityU lets professionals develop advanced organization skills, agile business practices, leadership and critical thinking while at the same time developing individual business knowledge in the area of their choice.

From Seattle Times • Jul. 31, 2023

This knowledge and understanding exceed the expectations of dominant battlefield awareness and DBA becomes a subset of Rapid Dominance.

From Shock and Awe — Achieving Rapid Dominance by Wade, James P.