A fashion that is taken up with great enthusiasm for a brief period of time; a craze.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "fad" in a sentence
"It simply means that he must give up some other fad or fancy and take up with this last, which, be it here reiterated, is no _fad_."
"But as soon as the rifle had flashed there was the _fad, fad, fad_ of hurried steps, something whizzed in at the window, and with"
"Beach-related motifs are very popular and I've seen them everywhere this year, but what sets Jessica's items apart from the fad is her amazing craftsmanship and wonderful whimsy associated with each piece."