costliness
noun /ˈkɒstlinəs/
/ˈkɔːstlinəs/
[uncountable]- the fact of costing a lot of money, especially more than you want to pay synonym expense
- the costliness of training new employees
- the fact of causing problems or the loss of something synonym expense
- war's terrible costliness (= lots of people can die and be injured)