Overresponse

Part of speech: noun

Definitions

1. An excessive or exaggerated reaction to a stimulus or situation, often disproportionate to the actual importance or intensity involved; a response that goes beyond what is necessary or appropriate
2. A behavior or action characterized by an undue level of sensitivity or intensity to an event or trigger, resulting in an amplified or unwarranted reaction; a response that surpasses typical or expected levels
3. A psychological or physiological reply that is amplified excessively relative to the provoking condition, indicating a tendency to respond more strongly than typical; an overextended or heightened reactivity to external or internal cues

Etymology: The word is about as transparent as English gets: "over-" attached to "response." Its first element is the prefix "over-," meaning beyond a proper or expected measure, and its second is "response," a reply or reaction, ultimately from Latin "respondere," to answer back. Put together, the compound describes a reply or reaction that goes past what the situation called for. The real interest lies in how the pieces combine. "Over-" is a productive prefix in English, so speakers can attach it to nearly any noun or verb ("overeat," "overwork," "overreach"), and "overresponse" follows the same pattern. The compound is a modern formation, so it reads as a clear description of an overly strong reaction rather than a fixed term with a long history behind it.

Synonyms: overreaction, exaggeration, overreply, hyperreaction, excessive response

Antonyms: underresponse, underreaction, insensitivity, indifference, apathy