(a.) Of or pertaining to spasm; spasmodic; especially, pertaining to tonic spasm; tetanic.

apoplectic arthritic broken capricious careening case cataclysmic catchy choppy consumptive convulsive desultory deviative disastrous disconnected discontinuous dyspeptic eccentric eclamptic epileptic erratic fidgety fitful flickering fluctuating guttering halting herky-jerky heteroclite immethodical inconstant incurable inpatient intermittent intermitting invalid irregular jerking jerky jiggety jumpy lurching nonuniform orgasmic outpatient paroxysmal patchy patient rambling rheumatic rough saltatory scrappy seismic shut-in sick person snatchy spasmatic spasmic spasmodic sporadic spotty staggering sufferer terminal case the sick twitchety twitching twitchy uncertain unequal uneven unmethodical unmetrical unregular unrhythmical unsettled unsteady unsystematic upheaving valetudinarian variable veering vellicative wandering wavering wobbling wobbly