eye-watering

adjective4

1. •
   Having an odour, vapours or smoke which causes irritation to the eyes.
2. •
   (figurative) So expensive that (figuratively) it would make one's eyes water.

   • Both residents and drivers know that the cost of the current proposals to improve the A628 from Mottram all the way to the Flouch Inn has already reached eye-watering billions. — 2021
3. •
   (figurative) Of a shocking or surprising nature.
4. •
   (figurative) Having an extremely bad odour.