sharp and unpleasant
acrid - bitter
The word ‘acrid’ is generally used to express a smell or taste that is unpleasantly pungent enough to sting the nose or throat. However, it can also be used in a formal way to describe a person’s angry or sharp tone or demeanour.
As the fire grew in intensity, acrid smoke began to pour from the building.
The acridity of his criticism shocked me. I didn’t expect it to be so vitriolic.
The food had an unpleasant odour and an acrid taste. I think something in it had gone off.