- dad
- dashes
- database
- day care (noun)
- day-care (adjective)
- daylong, daytime
- dean’s list
- decade
- decade-long
- decision-making (adjective)
- degree abbreviations
- Department of Intercollegiate Athletics
- Development Fund
- dilemma
- disabled
- Discovery Ridge
- doctoral/doctorate
- Donald W. Reynolds Alumni Center
- dot-com (noun or adjective)