Pronunciation: (kumf'tu-bul, kum'fur-tu-bul),[key] —adj. 1. (of clothing, furniture, etc.) producing or affording physical comfort, support, or ease: a comfortable chair; comfortable shoes. 2. being in a state of physical or mental comfort; contented and undisturbed; at ease: to be comfortable in new shoes; I don't feel comfortable in the same room with her. 3. (of a person, situation, etc.) producing mental comfort or ease; easy to accommodate oneself to or associate with: She's a comfortable person to be with. 4. more than adequate or sufficient: a comfortable salary. 5. Obs.cheerful.