Definition of "darnedest" [darnedest]

• The most possible: I did my darnedest to finish on time. (noun)

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.

• "And they really do say and do the "darnedest" things."
• "In my experience most video rental places try their darnedest to get you to watch tripe like Paul Blart, Mall Cop."
• "Andrew Spear for The Wall Street Journal 'For crying out loud, we're doing our darnedest,' says Mr. Fairchild."