Definition of "undid" []

• Past tense of undo. (verb)

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.

• "The words, "No one was with her when she died," which I recall undid my fourth grade teacher, still bring me to tears."
• "And it -- it's -- it was just something that kind of undid all the three days of testimony that the defense had put on about how this guy was nice to others."
• "Robert "undid" Rosalie -- a wooden rod with a fixed knob at one end went through the arms of her high chair and was fastened by a removable knob at the other end -- and Rosalie slid down very gravely, and with their laughter still echoing trod upstairs to her mother's bedside and related what she had been told to ask, and, on inquiry, why she had asked it."