hyperreflexive adjective3 •Involving overreaction in a reflex response.It is velocity dependent, and there is a hyperreflexive tendon jerk. On the other hand, clinical rigidity is bidirectional, not velocity dependent, and there is no hyperreflexive tendon jerk. — 2012 •Tending toward abnormally high levels of introspection.This hyperreflexive “turning backward” toward the self is incompatible with more spontaneous, world-directed forms of activity. — 2013 •Having a bounded local distance of operators in a nested algebra or reflexive subspace