0 the cost or process of keeping something, such as a building, in good condition:
The upkeep of larger old properties is very expensive.
Council employees are responsible for the upkeep of the gardens.
1 the process or cost of keeping something, such as a building, in good and usable condition:
2 the cost or process of keeping something, such as a building, in good condition:
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.