nauseating
adjective /ˈnɔːzieɪtɪŋ/
  /ˈnɔːzieɪtɪŋ/
- making you feel that you want to vomit
- a nauseating smell
 - The smell was simply nauseating.
 - He woke to the nauseating smell of burning flesh.
 
 - making you feel full of horror synonym revolting, sickening (1)
- his nauseating behaviour
 - He wrote me a really nauseating letter.
 - It was a nauseating attack on an innocent teenager.
 - The man's behaviour had been quite nauseating.