rheumatic /ɹuːˈmætɪk/adjective 2noun 1forms 3 adjective2 •Resembling or relating to rheumatism. •Derived from, or having the character of, rheum; rheumic. noun1 •(rare) A person suffering from rheumatismIt has been a clinical observation with me that the majority of chronic rheumatics are likewise the subjects of chronic constipation. — 1890 formsrheumatics · more rheumatic · most rheumatic