Illness is a broad term that can refer to a variety of physical and mental health issues. The crossword solutions for the term illness include INFECTION (9 letters), CONDITION (9 letters), CONTAGION (9 letters), DISABILITY (10 letters), INFIRMITY (9 letters), ATTACK (6 letters), cachexia (8 letters), COLLAPSE (8 letters), INDISPOSITION (13 letters), COMPLAINT (9 letters), MALAISE (7 letters), AFFLICTION (10 letters), SICKNESS (8 letters), MALADY (6 letters), and AILMENT (7 letters). INFECTION refers to an invasion of the body by a pathogen, such as a virus or bacteria. CONDITION is a general term for a state of health, either good or bad. CONTAGION is the spread of a disease from one person to another. DISABILITY is a physical or mental impairment that limits a person's ability to perform certain activities. INFIRMITY is a physical or mental weakness or impairment. ATTACK is a sudden onset of a medical CONDITION, such as a heart ATTACK. Cachexia is a CONDITION characterized by extreme weight loss and muscle wasting. COLLAPSE is a sudden loss of consciousness or strength. INDISPOSITION is a feeling of being unwell or uncomfortable. COMPLAINT is an expression of dissatisfaction or pain. MALAISE is a feeling of general discomfort or uneasiness. AFFLICTION is a severe or prolonged suffering. SICKNESS is a feeling of being ill. MALADY is a serious or long-lasting illness. AILMENT is a minor or temporary illness.