Clinical describes something related to medical treatment or observation of patients. When doctors make a clinical diagnosis, they're identifying an illness by examining a patient directly. A clinical trial tests whether a new medicine actually works by giving it to real patients under carefully controlled conditions.

Today, anything involving direct patient care is considered clinical work: nurses taking vital signs, doctors examining symptoms, or therapists meeting with patients.

Clinical also describes a detached, unemotional way of looking at something, like a scientist observing an experiment. If someone examines a problem with clinical precision, they're being methodical and objective, setting aside their feelings to focus on facts. A teacher might give a clinical assessment of your essay, pointing out exactly what works and what doesn't without sugar-coating.

When someone acts in a clinical manner toward people, though, it can feel cold. A coach who discusses an athlete's mistakes with clinical detachment might seem uncaring, even if the observations are accurate. The word suggests precision and professionalism, but sometimes at the expense of warmth.