The term 'sensitive, as a subject' can be described by two crossword solutions: tickly (6 letters) and SORE (4 letters). Tickly is an adjective that describes something that causes a tingling sensation on the skin. It is often used to describe something that is lightly irritating or uncomfortable. SORE is an adjective that describes something that is painful or tender to the touch. It is often used to describe something that has been injured or is in a state of inflammation. Both words can be used to describe something that is sensitive, as a subject.