cataplexy

As a noun cataplexy

is (medicine) an abrupt loss of muscle tone, sometimes associated with narcolepsy.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between stupor and cataplexy

is that stupor is a state of reduced consciousness or sensibility while cataplexy is (medicine) an abrupt loss of muscle tone, sometimes associated with narcolepsy.

As an adjective aggressive

is tending or disposed to aggress; characterized by aggression; making assaults; unjustly attacking.

As a noun cataplexy is

(medicine) an abrupt loss of muscle tone, sometimes associated with narcolepsy.

As nouns the difference between catalepsy and cataplexy

is that catalepsy is severe bodily condition, described in psychiatric pathology, marked by sudden rigidity, fixation of posture, and loss of contact with environmental conditions while cataplexy is an abrupt loss of muscle tone, sometimes associated with narcolepsy.

As nouns the difference between catatonia and cataplexy

is that catatonia is a severe psychiatric condition, often associated with schizophrenia, characterized by a tendency to remain in a rigid state of stupor for long periods which give way to short periods of extreme agitation while cataplexy is an abrupt loss of muscle tone, sometimes associated with narcolepsy.