take the plunge


Venture something, commit oneself, as in You've been living together for a year, so when are you going to take the plunge and get married? It is also put as make the plunge, plunge alluding to diving in a body of water. [Mid-1800s]

Words Nearby take the plunge

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.