Arthritic \Ar*thrit"ic\, Arthritical \Ar*thrit"ic*al\, a. [L. arthriticus, Gr. 'arqritiko`s. See {Arthritis}.] 1. Pertaining to the joints. [Obs.] --Sir T. Browne. [1913 Webster] 2. Of or pertaining to arthritis; gouty. --Cowper. [1913 Webster] 3. afflicted with arthritis. Syn: creaky, rheumatic, rheumatoid. [WordNet 1.5 +PJC]