1. in an unlucky or unfortunate manner; by bad luck or chance

Examples

• He haplessly stumbled into the wrong meeting room.
• The team haplessly lost every game of the season.
• She haplessly arrived at the party after everyone had left.
• The character haplessly wandered through the forest without a map.
• They haplessly missed their flight by five minutes.
• The experiment haplessly failed due to a faulty instrument.