pompously
🇺🇸
/ˈpɑːmpəsli/
🇬🇧
/ˈpɒmpəsli/
in a way that is overly proud and self-important
He pompously declared that no one could surpass his achievements.
彼は傲慢に誰も自分の業績を超えることはできないと宣言した。