"High-handedly" Natural Recordings by Native Speakers
In a high-handed manner, meaning with an air of superiority, condescendingly, or with an attitude of moral or intellectual superiority. To behave in a high-handed way is to speak or act as if one is better than others, often with a sense of disdain or contempt for others' opinions or abilities.
High-calibre refers to something or someone of extreme excellence or exceptionally good quality, often exceeding expectations or standards.