- extreme bitterness;
"the acridity of alkali"
- the quality of being sharply disagreeable in language or tone
- There is an acrid tone to your remarks.
- When I was young I liked the acridness of certain kinds of peppers.
- The author is best known for the acridness of his satire.
- This is an acrid and pungent substance.
- We do not like his acrid temper.