sickening
adjective /ˈsɪkənɪŋ/
  /ˈsɪkənɪŋ/
- making you feel shocked or full of horror synonym nauseating (2), repulsive- She was the victim of a sickening attack.
- the sickening stench of burnt flesh
- The thought of losing my mom was sickening.
- He described what had happened in sickening detail.
- The public was not made aware of the sickening details of the crime.
 
- [usually before noun] making you afraid that somebody has been badly hurt or that something has been broken- Her head hit the ground with a sickening thud.
- The truck hit a gully and gave a sickening lurch.
 
- (informal) making you feel jealous or annoyed because you wish you had something that somebody else has - ‘She's off to the Bahamas for a month.’ ‘How sickening!’