hyperkinesis
noun
hy·per·ki·ne·sis
ˌhī-pər-kə-ˈnē-səs 
-kī-
1
: abnormally increased and sometimes uncontrollable activity or muscular movements
2
: a condition especially of childhood characterized by hyperactivity
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In the first quarter of the century, it was called hyperkinesis.
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Julia Belluz, Vox, 17 Dec. 2018
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Julia Belluz, Vox, 17 Dec. 2018
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“Hyperkinesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperkinesis. Accessed 16 Jul. 2025.
Copy CitationMedical Definition
hyperkinesis
noun
hy·per·ki·ne·sis
-ˈnē-səs
1
: abnormally increased and sometimes uncontrollable activity or muscular movements : hyperactivity compare hypokinesia
2
: a condition especially of childhood characterized by hyperactivity
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