Dictionary.com
definitions
  • synonyms

throw open

Make more accessible, especially suddenly or dramatically, as in His withdrawal threw open the nomination to all comers. [Mid-1800s]

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