The term 'sharp feeling' can be summarized by two crossword solutions: PANG (4 letters) and IRE (3 letters). PANG is a noun that means a sudden, brief, sharp pain or distress. It is often used to describe physical pain, but can also be used to describe emotional pain. IRE is a noun that means a feeling of anger or annoyance. It is often used to describe a strong emotion that is felt in response to something that has been done wrong or unjustly.