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The definition of useless

2 Definitions of: useless

1. adjective, having no practical use or advantage
2. adjective, ineffectual, weak, or stupid
3. Show me some examples of this word: useless
4. Show me the etymology of the word: useless

Synonyms:	worthless, valueless, pants (slang), ineffective, impractical, fruitless, ineffectual, disadvantageous, unavailing, bootless	And more...
Antonyms:	useful, worthwhile

From Collins