1. Most extreme, remarkable, or surprising; used to emphasize intensity or degree.
Usage: informal; often used in the phrase 'do one's damndest' or 'try one's damndest'

1. The utmost effort or attempt; one's best or most extreme try.
Usage: informal; typically used in phrases like 'do the damndest' or 'try the damndest'

Examples

• She did her damndest to finish the project on time.
• That was the damndest thing I've ever seen!
• He tried his damndest to win the race.
• The damndest part about the situation was how quickly it changed.
• They did the damndest to help their friend in need.
• It was the damndest coincidence that we ran into each other.