Użyteczność in English:

Utility companies supply electricity.

Their furniture was chosen for utility rather than style.

a utility room

A number of utility programs on the market will help you with this problem.

This antique brazier no longer has any real utility.

The walking stick serves the purpose of an advertisement that the bearer's hands are employed otherwise than in useful effort, and it therefore has utility as an evidence of leisure.

Windscreen wipers haven't any utility against ice.

Public utility charges will go up next April.

If we see any utility in a plant, we help it to grow.

Practical utility and artistic beauty combine to make a comfortable house to live in.