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useless

[yoos-lis]
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adjective
  1. of no use; not serving the purpose or any purpose; unavailing or futile: It is useless to reason with him.
  2. without useful qualities; of no practical good: a useless person; a useless gadget.
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Origin of useless

First recorded in 1585–95; use + -less
Related formsuse·less·ly, adverbuse·less·ness, noun

Synonyms

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1. fruitless, profitless, valueless, worthless, inutile. Useless, futile, ineffectual, vain refer to that which is unavailing. That is useless which is unavailing because of the circumstances of the case or some inherent defect: It is useless to cry over spilt milk. Futile suggests wasted effort and complete failure to attain a desired end: All attempts were futile. That which is ineffectual weakly applies energy in an ill-advised way and does not produce a desired effect: an ineffectual effort. That which is vain is fruitless or hopeless even after all possible effort: It is vain to keep on hoping. 2. unserviceable, unusable.

Antonyms

1. effective.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for useless

useless

adjective
  1. having no practical use or advantage
  2. informal ineffectual, weak, or stupidhe's useless at history
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Derived Formsuselessly, adverbuselessness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for useless

adj.

1590s, from use (n.) + -less. Related: Uselessly; uselessness.

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Online Etymology Dictionary, © 2010 Douglas Harper