monotone
🇺🇸
/ˈmɑːnətəʊn/
🇬🇧
/ˈmɒnətəʊn/
A single, unchanging tone or way of speaking that can seem boring.
His speech was so monotone that everyone started to fall asleep.
彼の講演は非常に単調で、誰もが眠気に襲われました。
Lacking changes or variety in sound, color, or pattern.
The landscape was monotone, with only one shade of brown visible.
その風景は単色で、茶色の色味が見えました。