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useless objects have no purpose or cannot do what they were designed to do
useless activities are not effective in achieving the purpose that they were intended to achieve
something that is ineffective does not work correctly or does not do what you want it to do
not working in the best possible way, especially by not using time, supplies, energy etc in the most effective way
not made correctly, or not working correctly
not working correctly or made correctly
lacking a useful purpose
useless or not effective in an annoying way
not having any value, or not useful
not simple, fast, or effective enough and difficult or annoying to use
a start-up … whose value has reached more than one billion US dollars
an object that floats on water to show ships where it is safe and where there is danger
an afternoon full of crafts
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Free thesaurus definition of not effective or useful and not working correctly from the Macmillan English Dictionary - a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.