It is useless to talk to him.
All his efforts were useless.
His books are almost useless.
His new secretary proved useless.
Leave out anything that is useless.
There is nothing useless in nature.
It is useless to reason with a bigot.
Put aside all those which are useless.
All my efforts turned out to be useless.
It’s useless to try and resist.
The law is useless if it’s too watered down.
It is useless to try to persuade him to agree.
He regards socalled compulsory education as useless.
Theory is quite useless unless it works in practice.
His negative attitude rendered all my efforts useless.
The retired often feel that they are useless and unproductive.
It is useless to try to remember all the words in the dictionary.
Our guns were useless because we didn’t have any ammunition left.
The Internet has a lot of information and thus also a lot of useless information.
There is an Icelandic proverb which states that useless wisdom is double foolishness.
There is an Iranian proverb which states that when fate strikes, physicians are useless.