ADD
WordNet
noun
(1) A condition (mostly in boys) characterized by behavioral and learning disorders
verb
(2) Make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
"We added two students to that dorm room"
"She added a personal note to her letter"
"Add insult to injury"
"Add some extra plates to the dinner table"
(3) Make an addition by combining numbers
"Add 27 and 49, please!"
(4) Determine the sum of
"Add all the people in this town to those of the neighboring town"
(5) State or say further
"`It doesn't matter,' he supplied"
(6) Bestow a quality on
"Her presence lends a certain cachet to the company"
"The music added a lot to the play"
"She brings a special atmosphere to our meetings"
"This adds a light note to the program"
(7) Constitute an addition
"This paper will add to her reputation"
WiktionaryText
ADD
- Attention deficit disorder.
- Accidental death and dismemberment.
- A designation on prerecorded compact discs indicating that the contents were recorded in analog but mixed and mastered in digital; compare AAD, DAD, DDD.