ennui
noun/ɒnˈwiː/
/ɑːnˈwiː/
[uncountable] (from French, literary)- feelings of being bored and not satisfied because nothing interesting is happeningWord Originmid 18th cent.: French, from Latin in odio(n-), from mihi in odio est ‘it is hateful to me’. Compare with annoy.
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ennui