dandyism|ˈdændɪɪz(ə)m| [f. as dandyish a. + -ism.] The character, style, or manners of a dandy. 1819Blackw. Mag. IV. 565 The affectation of Dandyism on the part of some..of our day.1883H. W. V. Stuart Egypt 32 A house..with some attempt at architectural dandyism.