- unpleasant
- loud
- harsh
- harmful
Answer: Option 3
Unpleasant : causing discomfort, unhappiness, or revulsion; disagreeable. Loud : producing or capable of producing much noise. Harsh : unpleasantly rough or jarring to the senses. Harmful : causing or likely to cause harm. Raucous : making or constituting a disturbingly harsh and loud noise. Synonym of Raucous is Harsh