Synonyms of 'wasted'
1 uselessDictionary, unnecessary, pointless
I'm sorry you had a wasted journey.
3 emaciatedDictionary, weak, weakened
exercises designed to help build up his wasted limbs
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If you describe a person or group of people as lost, you think that they do not have a clear idea of what they want to do or achieve.
a lost opportunity
Something that is needless is completely unnecessary.
Our families thought I was taking a needless risk.
If you say that something is pointless, you are criticizing it because it has no sense or purpose.
Violence is always pointless.
Thesaurus for wasted from the Collins English Thesaurus
A wasted action is one that is unnecessary .