The crossword solutions for the term 'Feeling Off' are ILL, which is an abbreviation for the word 'ILLNESS'. ILLNESS is a general term used to describe any physical or mental condition that causes discomfort, pain, or distress. It can be caused by a variety of factors, including infection, injury, or disease. Feeling off is a common symptom of ILLNESS, and can include fatigue, nausea, dizziness, and other physical and mental symptoms.