Definition of useless in English:

useless

Line breaks: use|less
Pronunciation: /ˈjuːsləs
 
/

adjective

1Not fulfilling or not expected to achieve the intended purpose or desired outcome: a piece of useless knowledge we tried to pacify him but it was useless
More example sentences
  • Anything that's not functioning in accordance with its purpose is useless.
  • Once the documents were released and proved to be useless for that purpose, the issue was dropped.
  • I wrote a while ago that there is no such thing as useless knowledge.
Synonyms
1.1 informal Having no ability or skill in a specified activity or area: he was useless at football
More example sentences
  • At school she shone at English, but was pretty useless at everything else - her words, not mine.
  • Except I'm useless with mobile phones - I can never remember to charge them up.
  • I am, quite seriously, one of the most fiscally useless people you'll ever meet.
Synonyms
incompetent, ineffective, worthless, ineffectual, incapable, inept, inadequate, hopeless, weak, bad, no good
informal bum, a dead loss

Derivatives

uselessly

adverb
More example sentences
  • So instead I am alternating between gazing uselessly out of the window and staring blankly at this screen trying to string a few sentences together!
  • A plea has been made on behalf of the Augustinian Missions for any old Irish notes or coins which may be lying around the house uselessly.
  • Out in the street, stalled taxis blast their horns uselessly.

uselessness

noun
More example sentences
  • The story of men clinging to power long after they have outlived their uselessness is as old as the hills and just as obvious.
  • Generalised surveillance of this type is typified by its uselessness as an effective line of defence, but enormously and unnecessarily increases the power of the state.
  • Either way, the uselessness of such terms should be obvious.

Definition of useless in:

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bearing bristles or setae; bristly