Persian

Adjective

گست • ‎(gast)

1. (archaic) disgusting, nasty

References

• "گست" in Dehkhoda Dictionary.
• Durkin-Meisterernst, Desmond (2004), “gst”, in A Dictionary of Manichaean Middle Persian and Parthian (Corpus Fontium Manichaeorum; 3.1), Turnhout: Brepols