spastic(n = noun.person) - a person suffering from spastic paralysis;
is a kind of paralytic

1.  spastic(a = adj.pert) - relating to or characterized by spasm; "a spastic colon"; "spastic paralysis is a spastic form of cerebral palsy"
Derived forms noun spastic paralysis₁, noun spasticity₁

2.  spastic(s = adj.all) - suffering from spastic paralysis; "a spastic child"
Derived forms noun spastic paralysis₁, noun spasticity₁

3.  spastic(s = adj.all) convulsive, spasmodic - affected by involuntary jerky muscular contractions; resembling a spasm; "convulsive motions"; "his body made a spasmodic jerk"; "spastic movements"
Derived form noun spasticity₁

   Of or pertaining to spasm; spasmodic; especially, pertaining to tonic spasm; tetanic. [1913 Webster]

spastic, adj. & n.
--adj.
1 Med. suffering from cerebral palsy with spasm of the muscles.
2 offens. weak, feeble, incompetent.
3 spasmodic.
--n. Med. a spastic person.

Derivative:
spastically adv. spasticity n.

Etymology:
L spasticus f. Gk spastikos pulling f. spao pull

spastic abasia, spastic bladder, spastic colon, spastic paralysis