The quality of having a bitter taste.
The quality of eliciting a bitter, humiliating or harsh feeling.
Harsh cold.
The quality of feeling bitter; acrimony, resentment; the quality of exhibiting such feelings.
An act of sarcasm.
Use of acerbic language to mock or convey contempt, often using irony and (in speech) often marked by overemphasis and a sneering tone of voice.