accessive
/ækˈsesɪv, æksˈsesɪv/Definitions
1. adjective
tending to cause or characterize excessive or uncontrollable behavior, especially in reaction to a stimulus.
“The child’s accessive outburst was a testament to her frustration with the situation.”
2. noun
A person who exhibits accessive behavior.
“The therapist specialized in treating accessive individuals who struggled with impulse control.”