Englishfor English speakers
useful
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adjective
being of use or service
the girl felt motherly and useful
a useful job
a useful member of society
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adjective
(= utilitarian)
having a useful function
utilitarian steel tables
article
Noun
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An article is a story or report that you can read in a newspaper, journal, or online.
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An article is a member of a larger group.
A shirt is an article of clothing.
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An article is an object.