Look up fad in Wiktionary, the free dictionary.

A fad is a practice or interest followed for a time with exaggerated zeal.

Fad or FAD may also refer to:

• Familial Alzheimer disease, an uncommon form of Alzheimer's disease
• Flavin adenine dinucleotide is a redox cofactor chemical compound.
• Fad Browne (1906–1991), Irish politician
• Fad diet
• First appearance datum, the date of the oldest known fossil of a living species
• Fish aggregating device, for fishing
• Flying Ant Day, a period of increased perception of the nuptial flight for ants prompted by changes in weather.
• Wagi language of Papua New Guinea, ISO 639-3 code
• Food availability decline; see Theories of famines
• Fusil Automático Doble, a rifle used by the Peruvian Army.

See also

• All pages with titles beginning with FAD
• FADD
• Fads (disambiguation)

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