Definition of "thitherto" []

• Up to that time; until then. (adverb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Josiah had to stand the hectoring and nagging that thitherto had been distributed among many."
• "The Wife went into a cafe that had thitherto proven very friendly and serviceable."
• ""I had not realized thitherto that even a demented sleen could be so wicked.""