1. (verb)attention deficit disorder, ADD, attention deficit hyperactivity disorder, ADHD, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD a condition (mostly in boys) characterized by behavioral and learning disorders
2. (verb)add 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. (verb)add, append, supply state or say further "`It doesn't matter,' he supplied"
4. (verb)lend, impart, bestow, contribute, add, bring 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"
6. (verb)total, tot, tot up, sum, sum up, summate, tote up, add, add together, tally, add up determine the sum of "Add all the people in this town to those of the neighboring town"
7. (verb)add constitute an addition "This paper will add to her reputation"
1. (verb)add to put with in order to increase, improve, etc. Add the eggs to the mixture.; Adding adjectives will make your writing more lively.; The glass adds to the beauty of the building.
2. add to say sth else "But I'm not sure," he added.; "I'm here," he said, then added that he was sorry to be late.
3. add ≠ subtract to add two numbers together
Definition of 'add'
Webster Dictionary
1. (verb)add to give by way of increased possession (to any one); to bestow (on)
2. (verb)add to join or unite, as one thing to another, or as several particulars, so as to increase the number, augment the quantity, enlarge the magnitude, or so as to form into one aggregate. Hence: To sum up; to put together mentally; as, to add numbers; to add up a column
3. (verb)add to append, as a statement; to say further
4. (verb)add to make an addition. To add to, to augment; to increase; as, it adds to our anxiety
5. (verb)add to perform the arithmetical operation of addition; as, he adds rapidly