Definition as Noun

• a condition (mostly in boys) characterized by behavioral and learning disorders

Definition as Verb

• make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
• constitute an addition
• make an addition by combining numbers
• state or say further
• bestow a quality on
• determine the sum of

• attention deficit disorder, attention deficit hyperactivity disorder, ADHD, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD

• add together

• append, supply

• lend, impart, bestow, contribute, bring

• total, tot, tot up, sum, sum up, summate, tote up, add together, tally, add up

• "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"

• "This paper will add to her reputation"

• "add 27 and 49, please!"

• "`It doesn't matter,' he supplied"

• "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"

• "add all the people in this town to those of the neighboring town"

• Add vs attention deficit disorder
• Add vs attention deficit hyperactivity disorder
• Add vs ADHD
• Add vs hyperkinetic syndrome
• Add vs minimal brain dysfunction
• Add vs minimal brain damage
• Add vs MBD
• Add vs add together
• Add vs append
• Add vs supply
• Add vs lend
• Add vs impart
• Add vs bestow
• Add vs contribute
• Add vs bring
• Add vs total
• Add vs tot
• Add vs tot up
• Add vs sum
• Add vs sum up
• Add vs summate
• Add vs tote up
• Add vs tally
• Add vs add up