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useless

[yoos-lis] /ˈyus lɪs/
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.
Origin
1585-1595
1585-95; use + -less
Related forms
uselessly, adverb
uselessness, noun
Synonyms
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 Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for uselessness

useless

/ˈjuːslɪs/
adjective
1.
having no practical use or advantage
2.
(informal) ineffectual, weak, or stupid: he's useless at history
Derived Forms
uselessly, adverb
uselessness, 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
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Word Origin and History for uselessness

useless

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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