dull
US /dʌl/
UK /dʌl/

1.
chato, monótono
lacking interest or excitement
:
•
The lecture was incredibly dull.
A palestra foi incrivelmente chata.
•
Life in the small town was rather dull.
A vida na pequena cidade era bastante monótona.
2.
cego, rombo
lacking sharpness of edge or point
:
•
The knife was too dull to cut the bread.
A faca estava muito cega para cortar o pão.
•
His pencil had a dull point.
O lápis dele tinha uma ponta romba.