hypoactivity

Abnormally low movement

Hypoactivity is abnormally low levels of physical movement or mental engagement—the opposite of hyperactivity.

The term appears in medical and psychological contexts to describe diminished motor function or reduced responsiveness: The patient showed marked hypoactivity following the stroke.

It may indicate neurological conditions, depression, or medication side effects.

lethargy

fatigue

Weariness from prolonged exertion

lassitude · enervation · weariness · debility · somnolence · drowsiness · sleepiness · malaise · stupor · prostration

medical

underactivity

Insufficient level of function

deficit · impairment · dysfunction · underperformance · subclinical · hormonal · thyroid · glandular · metabolic · neurological

behavioral

sedentary

Characterized by much sitting

unresponsiveness · understimulation · flat affect · social withdrawal · inertia · immobility · stillness · motionlessness · quiescence · dormancy

Opposites
activity level

hypoactivityhyperactivity

Excessive physical or mental energy

overactivity · hyperkinesis · agitation · restlessness · excitability

Family

active, activity, inactive, inactivity, hyperactive, reactivity, radioactivity, interactivity, hyperactivity

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