marry up
Also found in: Idioms.
marry up
vb (adverb)
1. (tr) to join
2. (intr) to tally or correspond: the reactor did not marry up to his expectations.
3. (intr) to marry someone of a higher social class than oneself
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014