Boredom (noun)

1. The feeling of being tired or uninterested in something, usually due to a lack of excitement or stimulation.
2. A state of being uninterested, apathetic or disengaged in one's surroundings or activities.

Origin:

The word boredom comes from the old french word "boredom" which means weariness or to be weary. it refers to the feeling of being tired or uninterested in something, usually due to a lack of excitement or stimulation.

Examples:

1. The monotony of the work caused him to feel a sense of boredom.
2. I can"t stand this boredom, let"s do something.
3. She tried to fight her boredom by watching TV.
4. He felt a sense of boredom wash over him as he looked at his phone.
5. Boredom can be a sign of depression.