[f. as prec. + -IST.] One who has a fad; one who indulges in fads.
1883. St, Jamess Gaz., 21 April, 4. The faddists will not be deterred by such a trifle as that.
1886. The Saturday Review, LXI. 3 April, 455/2. Mr. Caine is a person of the Stansfeld type, and we do not profess any particular respect for his judgment; but he is a very fair specimen of the modern faddist Radical, and we never heard that he was a dishonest man.