- 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.
- 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.”
- decibels above reference noise, adjusted.
- Doctor of Business Administration.
