dull
US /dʌl/
・UK /dʌl/
A2
adjecitve
- Not exciting or interesting; boring; lifeless
- Being dim, not so bright and hard to see
- Not sharp
- Lacking sharpness or an edge
- Not shiny and bright
- Being mentally slow
- Being quiet or not clear
verb
- To cause a thing to become less sharp/less bright
Examples
The work gets a bit dull at times.
The long lectures made the afternoon dull.