(utilities)
1.
The ~ of something is its usefulness. (FORMAL)
Belief in the ~ of higher education is shared by students nationwide...
He inwardly questioned the ~ of his work.
= usefulness
N-UNCOUNT: with supp
2.
A ~ is an important service such as water, electricity, or gas that is provided for everyone, and that everyone pays for.
...public utilities such as gas, electricity and phones.
N-COUNT