/ vɪˈsɪsɪtjuːd; NAmE -tuːd/ noun
[ usually pl. ] ( formal ) one of the many changes and problems in a situation or in your life, that you have to deal with
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WORD ORIGIN
early 17th cent. (in the sense alternation ): from French , or from Latin vicissitudo , from vicissim by turns, from vic- turn, change.