英和和英

potentially useful

usefulness

convenient to use

user‐friendly

user‐friendly

easy to use

usefulness of a thing

be of use

a thing that is useful

to make good use of something

be of use to, be useful to

be used by

availability for use

capable of being put to good use

be useful for a certain purpose

to answer the purpose―serve one's turn―（形容詞をもって言い表せば）―to be useful―serviceable―helpful―available―good for something.

to use something because of its convenience

User-friendly

put to use

goods for extensive use

a useful way of using something

capable of being used up

the degree to which something is convenient to use

easy to use

not worth using

capable of being put to use

adequate for practical use

the state or quality of being convenient to use

of a thing or person, being very useful to do something

good at using it