From Longman Dictionary of Contemporary Englishfadfad /fæd/ noun [countable] DLFASHIONABLEsomething that people like or do for a short time, or that is fashionable for a short time Interest in organic food is not a fad, it’s here to stay. —faddish adjective —faddishness noun [uncountable]
Examples from the Corpus
fad• They know this is just another fad.• Very trendy new hotel run by Christina Ong, the Met adheres to the current fad for minimalism.• Will upsizing be the next management fad?• It is only in the fashion or fad field that the later comers get badly burned.• This is not simply a passing fad.• Arts education may be the fad du jour.• It could be that old Henry Flagler himself started the fad, back when he started the town.Origin fad (1800-1900) Perhaps from fiddle-faddle 