dull
Definition
lacking interest or excitement; not sharp or bright.
한국어 흥미나 흥분이 없거나, 선명하지 않음
Example
"The lecture was so dull that half the class fell asleep."
lacking interest or excitement; not sharp or bright.
한국어 흥미나 흥분이 없거나, 선명하지 않음
"The lecture was so dull that half the class fell asleep."