Acridity is a term used to describe a strong, pungent, and bitter taste or smell. There are several synonyms that can be used to describe this sensation, including acerbity, bitterness, sharpness, tartness, sourness, acidity, and astringency. These words all refer to the same general concept of a harsh or unpleasant taste or smell. Some other related terms that can be used to describe acridity include acrimony, hostility, animosity, or resentment. When trying to convey the idea of acridity in your writing or speech, it is important to choose a synonym that accurately captures the intended meaning and conveys the appropriate tone.