1. A day that lacks variety, excitement, or interest; a day characterized by repetitive, dull, or tedious activities
It was just another monotonous day at the office, doing the same tasks repeatedly.
Foi apenas mais um dia monótono no escritório, fazendo as mesmas tarefas repetidamente.
2. A day with unchanging or uniform qualities; lacking in color, diversity, or stimulation
The gray weather made it feel like a monotonous day with nothing to do.
O tempo cinzento fez parecer um dia monótono sem nada para fazer.