ponderous
🇺🇸
/ˈpɑːndərəs/
🇬🇧
/ˈpɒndərəs/
Heavy and slow in a way that feels boring.
His lectures are always ponderous and dull.
彼の講義はいつも重苦しくて退屈です。
Moving slowly because of being very heavy.
The old gates opened with a ponderous creak.
古い門が重いきしみ音を立てて開いた。