(intr, adverb) to sell a small or relatively inexpensive house, car, etc, and replace it with a larger or more expensive one
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
How to use trade up in a sentence
He possesses several ships which trade up and down the river.Celebrated Travels and Travellers | Jules Verne
Wharves were built, and numerous barges plied their trade up and down the stream.Evesham | Edmund H. New
Now that man was a merchant, and used to trade up and down the coast even as far as Maskat.Black Tales for White Children | C. H. Stigand
I was in the fruit trade up in the Levant there, and such scoundrels as these Greek fellows I never met in my life.A Day's Ride | Charles James Lever
She had conducted the place on a one-horse scale, but Ben ran the trade up to a hundred dollars a day.The Life and Adventures of Ben Hogan, the Wickedest Man in the World | Benedict Hogan
Other Idioms and Phrases with trade up
see under trade down.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.