Synonyms of 'worthless'
If you feel that someone or something is contemptible, you feel strong dislike and disrespect for them.
Her husband is a contemptible little man.
It was an utterly contemptible thing to do.
Depraved actions, things, or people are morally bad or evil.
It has been condemned as the most depraved film of its kind.
If you say that a person or action is despicable, you are emphasizing that they are extremely nasty, cruel, or evil.
He said it was a despicable crime.
If you say that something is futile, you mean there is no point in doing it, usually because it has no chance of succeeding.
a futile attempt to ward off the blow
If you describe something as ignoble, you mean that it is bad and something to be ashamed of.
an ignoble episode from their country's past
If someone or something is ineffectual, they fail to do what they are expected to do or are trying to do.
the well-meaning but ineffectual jobs programs of the past
Something that is insignificant is unimportant, especially because it is very small.
In 1949 it was still a small, insignificant city.
of no consequence
nickel-and-dime (US, slang)
of no account
not worth mentioning
of no moment
wanky (taboo, slang)
If something that you do is meaningless, it has no purpose and is not at all worthwhile.
They seek strong sensations to dull their sense of a meaningless existence.
If you describe an amount, quantity, or size as measly, you are critical of it because it is very small or inadequate.
The average bathroom measures a measly 3.5 metres.
An amount or effect that is negligible is so small that it is not worth considering or worrying about.
Managers are convinced that the strike will have a negligible effect.
Video: pronunciation of 'worthless'
Thesaurus for worthless from the Collins English Thesaurus
Something that is worthless is of no real value or use.