/ak'euh thizh"euh, -thiz"ee euh/ , n.
a state of motor restlessness, sometimes produced by neuroleptic medication, that ranges from a feeling of inner distress to an inability to sit still.
[ 1900-05; akathisie a- A- 6 + káthis ( is ) sitting (n. deriv. of kathízein to seat, make sit, take one's seat; kat- CAT- + hízein to seat, akin to SIT 1 ) + NL -ia -IA ]