hyperactifadjectivecommon nounSyllable DecompositionhyperactifEtymologyexpandcomposed of the prefix hyper- and active.Definitions1. A person who is very active, who does a lot, who works a lot.expandCet hyperactif, grand brasseur d'affaires, se donne à fond à sa société.2. A person exhibiting hyperactivity.médecineexpandFemininehyperactivePluralhyperactifsTranslationsenglish:hyperactive manitalian:iperattivo