The definition of worthless is having no value.
Having little value or importance; trivial
Not adequate; not sufficient; not equal to what is required
Insignificant; trifling; petty
Having no useful result; ineffectual:
Deep-toned, dull, and muffled, as though resounding from something hollow
Having no value, use, or significance; worthless; useless
The definition of ineffectual is not productive or not working correctly.
Of little or no importance; insignificant; trifling
The definition of vain is someone or something without value, without force or who is conceited.
Find another word for nugatory. In this page you can discover 16 synonyms, antonyms, idiomatic expressions, and related words for nugatory, like: worthless, trifling, inadequate, piddling, useless, futile, hollow, idle, ineffectual, invalid and trivial.