1. in an excessively ambitious or arrogant manner
Usage: literary; rare

Examples

• He spoke vaultingly of his plans to revolutionize the industry.
• The young entrepreneur vaultingly claimed he would surpass all competitors within a year.
• She vaultingly dismissed the advice of more experienced colleagues.
• The politician vaultingly promised to solve problems that had persisted for decades.
• His vaultingly ambitious proposal impressed some but worried others.