fad"dish
Webster's Dictionary (GCIDE)
Fad \Fad\ (f[a^]d), n. [Cf. Faddle.]
1.A hobby; freak; whim. [1913 Webster]
It is your favorite fad to draw plans.— G. Eliot.[1913 Webster]
2.a practise followed enthusiastically by a number of people for a limited period of time; as, the latest fad in fashion.
Syn: craze; mania. [PJC] -- Fad"dist, n. -- Fad"dish, a. [1913 Webster]
faddish \faddish\ faddy \faddy\adj.
1.intensely fashionable for a short time. [WordNet sense 1]
Syn: trendy. [WordNet 1.5]
2.prone to follow fads; as, a faddish clique of teenagers; -- of people.
Syn: trendy. [PJC]