attention deficit hyperactivity disorder attention deficit disorder • attention-getting · · · Info · Definitions · Synonyms · Characters · · attention deficit hyperactivity disorder · · Text Common · · Latin · · Scripts 40 · · Length 15 · · Syllables Definitions · · · (noun) a condition (mostly in boys) characterized by behavioral and learning disorders. Synonyms: attention deficit disorder, ADD, attention deficit hyperactivity disorder, ADHD, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD. · · Noun Definition 1 Synonyms · · · attention deficit disorder · · Synonym 1 add · · Synonym 2 adhd · · Synonym 3 hyperkinetic syndrome · · Synonym 4 minimal brain dysfunction · · Synonym 5 minimal brain damage · · Synonym 6 mbd · · Synonym 7 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079