marry up
Upper Intermediate (B2)informal
Marry someone richer or more important than you, OR fit two things together perfectly.
"Her grandmother always told her to marry up if she wanted a comfortable life."
Hear it in context

Why Do Women Set Their Standards So High? | Dr Debra Soh
Chris Williamson · 0:05
Women typically marry up.

Eliza Filby: Hard Work Is a Lie, This Is What Rich People Never Tell You
Trevor Noah · 28:20
Women used to marry up.

How to start a 7-figure business in 2025: Advice from 4 millionaires
Ali Abdaal – Lifestyle Business Academy · 12:31
to marry up this is what you this is

I helped break a 142-year-old bell, and that's okay.
Tom Scott · 3:16
So they’ll marry up, and then the cavity in between this surface...

I cut my training by 70% (and got better results)
Matt D'Avella · 8:08
of us trying to marry up these five slightly dichomous pursuits of fitness?