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must-have

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noun [countable] informal British English pronunciation: must-have 
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singularmust-have
pluralmust-haves

Related dictionary definitions

  1. something that is so exciting, modern, or useful that everyone wants to have it

    An award-winning author reveals his personal must-haves for a low-fat larder.

    a must-have for new mums and dads

derived word

must-have

 British English pronunciation: must-have  adjective

the top ten must-have books for medical students

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