1. in a clumsy or careless manner; making or characterized by blunders
Usage: formed from the adjective 'blundering' + adverbial suffix '-ly'

Examples

• He blunderingly knocked over the vase while trying to reach the shelf.
• She blunderingly admitted the secret before realizing what she had said.
• The team blunderingly made several tactical errors in the second half.
• He blunderingly stumbled through the dark hallway, bumping into furniture.
• The speaker blunderingly mixed up the names of the award recipients.
• They blunderingly approached the problem without any clear strategy.