Definition of sciatical in US English:

sciatical

adjective

  • 1Designating the sciatic nerve. rare.

  • 2Affected with or suffering from sciatica.

  • 3Of or relating to sciatica; of the nature of sciatica. Now rare.

Origin

Late Middle English (in an earlier sense). Party from post-classical Latin sciaticale hip joint from sciaticus + -āle.

Pronunciation

sciatical

/sʌɪˈatɪkl/