bandwagon

[ band-wag-uh n ]
/ ˈbændˌwæg ən /

noun

a wagon, usually large and ornately decorated, for carrying a musical band while it is playing, as in a circus parade or to a political rally.
a party, cause, movement, etc., that by its mass appeal or strength readily attracts many followers: After it became apparent that the incumbent would win, everyone decided to jump on the bandwagon.

Origin of bandwagon

An Americanism dating back to 1850–55; band1 + wagon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bandwagon

British Dictionary definitions for bandwagon

bandwagon
/ (ˈbændˌwæɡən) /

noun

US a wagon, usually high and brightly coloured, for carrying the band in a parade
jump on the bandwagon, climb on the bandwagon or get on the bandwagon to join or give support to a party or movement that seems to be assured of success
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012