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Overactive

usgb/ˌəʊvərˈæktɪv/Volume
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Exaggerated ActivityPlay
Indicates an action or a function that is excessively or unnecessarily active, beyond normal limits. SlideHis overactive response to criticism made the situation worse.
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Medical ContextPlay
Often used in medical settings to describe glands or organs functioning at a higher than normal rate. SlideThe doctor diagnosed her with an overactive bladder.
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Metaphorical UsePlay
Used metaphorically to describe thoughts, imagination, or emotions that are intense or uncontrollable. SlideAn overactive sense of responsibility is keeping him awake at night.