1. most extreme or remarkable of its kind
Usage: informal; often used for emphasis

1. one’s best effort or utmost attempt
Usage: informal; typically used in the phrase ‘do one’s damnedest’

Examples

• That was the damnedest thing I’ve ever seen.
• She had the damnedest luck with finding parking spaces.
• I’ll do my damnedest to finish the project on time.
• He tried his damnedest to win the competition.
• It’s the damnedest coincidence that we met here.
• The team did their damnedest but still lost the game.
• That’s the damnedest story I’ve heard all week.